Question

If alpa and betaare 0 ofx²+5x+6thenthe value of alpa beta and alpa+beta

Answer 1

Explanation:

let p(x)=x²+5x+6

alpha and beta are its zeros

p(x) =x²+5x+6

=x²+3x+2x+6

= x(x+3)+2(x+3)

(x+3)(x+2)

therefore , alpha =-3;beta=-2;

alpha +beta=-3+(-2)

=-5

alpha*beta=-3*-2

=6