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Conics & Parameters
3) Hyperbola   y
                   P  x, y 



                       x
Conics & Parameters
3) Hyperbola                  y
                                  P  x, y 

               x2  y2  a2

                                      x
Conics & Parameters
3) Hyperbola                  y
                                  P  x, y 

               x2  y2  a2       y

                                      x
Conics & Parameters
3) Hyperbola                  y
                                          P  x, y 

               x2  y2  a2       a       y
                                  
                                      x       x
Conics & Parameters
3) Hyperbola                  y
                                          P  x, y 

               x2  y2  a2       a       y
                                  
                                      x       x



  x
     sec
  a
  x  a sec
Conics & Parameters
3) Hyperbola                  y
                                                P  x, y 

               x2  y2  a2       a             y
                                  
                                         x          x


                                                        a 2 sec 2  y 2
  x                                   when x  a sec ,             2 1
     sec
                                                              2
                                                            a       b
  a
  x  a sec
Conics & Parameters
3) Hyperbola                  y
                                                 P  x, y 

               x2  y2  a2       a             y
                                  
                                          x          x


                                                        a 2 sec 2  y 2
  x                                   when x  a sec ,              2 1
     sec
                                                              2
                                                            a          b
  a                                                        y2
                                                                sec 2   1
  x  a sec                                               b2
                                                           y 2  b 2 tan 2 
                                                             y  b tan 
Conics & Parameters
3) Hyperbola                    y
                                                   P  x, y 

               x2  y2  a2         a             y
                                    
                                            x          x


                                                          a 2 sec 2  y 2
  x                                     when x  a sec ,              2 1
     sec
                                                                2
                                                              a          b
  a                                                          y2
                                                                  sec 2   1
  x  a sec      y  b tan                                 b2
                                                             y 2  b 2 tan 2 
                                                               y  b tan 
x2 y2
For hyperbola 2  2  1
              a b
x2 y2
For hyperbola 2  2  1
                    a b
 tangent at  x1 , y1 

         x1 x y1 y
           2
              2 1
         a    b
x2 y2
For hyperbola 2  2  1
                    a b
 tangent at  x1 , y1      normal at  x1 , y1 
                            a 2 x b2 y
                                        a 2  b2   a 2e2 
         x1 x y1 y
           2
              2 1              
         a    b              x1    y1
x2 y2
For hyperbola 2  2  1
                    a b
 tangent at  x1 , y1           normal at  x1 , y1 
                                 a 2 x b2 y
                                             a 2  b2   a 2e2 
          x1 x y1 y
            2
               2 1                  
          a    b                  x1    y1

tangent at a sec , b tan  
       x sec y tan 
                     1
          a      b
x2 y2
For hyperbola 2  2  1
                    a b
 tangent at  x1 , y1           normal at  x1 , y1 
                                 a 2 x b2 y
                                             a 2  b2   a 2e2 
          x1 x y1 y
            2
               2 1                  
          a    b                  x1    y1

tangent at a sec , b tan      normal at a sec , b tan  
       x sec y tan 
                                             a 2  b2   a 2e2 
                                  ax   by
                     1             
          a      b               sec tan 
x2 y2
For hyperbola 2  2  1
                    a b
 tangent at  x1 , y1                      normal at  x1 , y1 
                                            a 2 x b2 y
                                                        a 2  b2   a 2e2 
          x1 x y1 y
            2
               2 1                             
          a    b                             x1    y1

tangent at a sec , b tan                 normal at a sec , b tan  
       x sec y tan 
                                                       a 2  b2   a 2e2 
                                            ax   by
                     1                       
          a      b                         sec tan 

            y  sec f  x                          y  tan f  x 
           dy                                      dy
               f  x  sec f  x  tan f  x        f  x  sec 2 f  x 
           dx                                      dx
x2 y2
For hyperbola 2  2  1
                    a b
 tangent at  x1 , y1                      normal at  x1 , y1 
                                            a 2 x b2 y
                                                        a 2  b2   a 2e2 
          x1 x y1 y
            2
               2 1                             
          a    b                             x1    y1

tangent at a sec , b tan                 normal at a sec , b tan  
       x sec y tan 
                                                       a 2  b2   a 2e2 
                                            ax   by
                     1                       
          a      b                         sec tan 

            y  sec f  x                          y  tan f  x 
           dy                                      dy
               f  x  sec f  x  tan f  x        f  x  sec 2 f  x 
           dx                                      dx

                          Exercise 6C; 5, 7, 9, 16, 17

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  • 1. Conics & Parameters 3) Hyperbola y P  x, y  x
  • 2. Conics & Parameters 3) Hyperbola y P  x, y  x2  y2  a2 x
  • 3. Conics & Parameters 3) Hyperbola y P  x, y  x2  y2  a2 y x
  • 4. Conics & Parameters 3) Hyperbola y P  x, y  x2  y2  a2 a y  x x
  • 5. Conics & Parameters 3) Hyperbola y P  x, y  x2  y2  a2 a y  x x x  sec a x  a sec
  • 6. Conics & Parameters 3) Hyperbola y P  x, y  x2  y2  a2 a y  x x a 2 sec 2  y 2 x when x  a sec ,  2 1  sec 2 a b a x  a sec
  • 7. Conics & Parameters 3) Hyperbola y P  x, y  x2  y2  a2 a y  x x a 2 sec 2  y 2 x when x  a sec ,  2 1  sec 2 a b a y2  sec 2   1 x  a sec b2 y 2  b 2 tan 2  y  b tan 
  • 8. Conics & Parameters 3) Hyperbola y P  x, y  x2  y2  a2 a y  x x a 2 sec 2  y 2 x when x  a sec ,  2 1  sec 2 a b a y2  sec 2   1 x  a sec y  b tan  b2 y 2  b 2 tan 2  y  b tan 
  • 9. x2 y2 For hyperbola 2  2  1 a b
  • 10. x2 y2 For hyperbola 2  2  1 a b tangent at  x1 , y1  x1 x y1 y 2  2 1 a b
  • 11. x2 y2 For hyperbola 2  2  1 a b tangent at  x1 , y1  normal at  x1 , y1  a 2 x b2 y  a 2  b2   a 2e2  x1 x y1 y 2  2 1  a b x1 y1
  • 12. x2 y2 For hyperbola 2  2  1 a b tangent at  x1 , y1  normal at  x1 , y1  a 2 x b2 y  a 2  b2   a 2e2  x1 x y1 y 2  2 1  a b x1 y1 tangent at a sec , b tan   x sec y tan   1 a b
  • 13. x2 y2 For hyperbola 2  2  1 a b tangent at  x1 , y1  normal at  x1 , y1  a 2 x b2 y  a 2  b2   a 2e2  x1 x y1 y 2  2 1  a b x1 y1 tangent at a sec , b tan   normal at a sec , b tan   x sec y tan   a 2  b2   a 2e2  ax by  1  a b sec tan 
  • 14. x2 y2 For hyperbola 2  2  1 a b tangent at  x1 , y1  normal at  x1 , y1  a 2 x b2 y  a 2  b2   a 2e2  x1 x y1 y 2  2 1  a b x1 y1 tangent at a sec , b tan   normal at a sec , b tan   x sec y tan   a 2  b2   a 2e2  ax by  1  a b sec tan  y  sec f  x  y  tan f  x  dy dy  f  x  sec f  x  tan f  x   f  x  sec 2 f  x  dx dx
  • 15. x2 y2 For hyperbola 2  2  1 a b tangent at  x1 , y1  normal at  x1 , y1  a 2 x b2 y  a 2  b2   a 2e2  x1 x y1 y 2  2 1  a b x1 y1 tangent at a sec , b tan   normal at a sec , b tan   x sec y tan   a 2  b2   a 2e2  ax by  1  a b sec tan  y  sec f  x  y  tan f  x  dy dy  f  x  sec f  x  tan f  x   f  x  sec 2 f  x  dx dx Exercise 6C; 5, 7, 9, 16, 17