Question

What is the formula to find alpha minus beta whole squared

Answer 1

(alpha - beta)^2 
= alpha^2 - 2(alpha)(beta) + beta^2

Answer 2

$( \alpha - \beta ) {}^{2} = \alpha {}^{2} + \beta { }^{2} - 2 \alpha \beta \\( \alpha + \beta ) {}^{2} - 2 \alpha \beta - 2 \alpha \beta \\ ( \alpha + \beta ) {}^{2} - 4 \alpha \beta$
I hope that this will help you.