Question

Find a quadratic polynomial whose product and zeroes are -3 , 5

Answer 1

Answer: Let alpha, a= -3

And , beeta , b= 5

Now, Required quadratic polynomial=

x^2-(a+b)x+ab

=x^2-(-3+5)x+(-3)×5

=x^2-(2)x -15

=x^2-2x-15.

Hence,the required quadratic polynomial

is x^2-2x-15