Question

if alpha and beta are zeros of p(x)=2x2-x-6 then tge value of alpha–1 +beta–1​

Answer 1

$\alpha + \beta = - \cfrac{b}{a} = - \cfrac{ - 1}{2} = \cfrac{1}{2}$

$\alpha - 1 + \beta - 1 = \alpha + \beta - 2$

Ans: $\cfrac{1}{2} - 2</p><p>= - \cfrac{3}{4}$