2. History of Gauss
• Johann Carl Friedrich Gauss was born on 13 april 1777 at
Brunswick.He was German mathematician and physicist who
made significant contributions to many fields in
mathematics and science. Some times Called the “prince of
mathematics”.
• What is echelon form?
• A matrix is said to be in echelon form ifif (i)zero rows,if any must
follow non zero rows.
• (ii)The number of zeroes before the first non zero element in
row is less than the number of such zeroes in the next row.
• Note:
• In a echelon form of matrix the rank of the matrix is equal to