Question

if 2 and -3 are the zeros of a quadratic polynomial x2 + [a+1] x+b then find the value of a and b

Answer 1

we know that in quadratic equation

alpha+ beta = -b/a

alpha×beta =c/a

from question

(alpha+beta)^2 - alpha.beta

-1^2-1

=0

Answer 2

Answer:

hope this answer helps you ....see the attachment step by step it's explained...