Question

Find the quadratic polynomial if the zeroes of it are 2°&2-1

Answer 1

for quadratic polynomial formula is k(x^2_(alpha + beta)x +alpha × beta)

here ,alpha and beta are roots

Answer 2

x^2 - ( sum of zeroes )x + product of zeroes

x^2 - ( 2 +1) X + 2 x 1

x^2 - 3x + 2

+_-