Question

identity of Alpha square + beta square

Answer 1

We know the formula i.e. (a+b)2 = a2+b2+2abSo from this we can write as (α+β)2 = α2+β2+2αβ(α+β)2 = α2+β2+2αβ⇒α2+β2 = (α+β)2−2αβTherefore the formula is α2+β2 = (α+β)2−2αβ

Answer 2

Alpha =a
Beta = b
A² +b² = (a+b)² -2ab