Question

varifacation,of the identity(a-b)²=a²-2ab+b²

Answer 1

LET a=5    AND b=3
PUT THESE VALUES IN (a-b)²=a²-2ab+b²
i.e (5-3)²=5²-2(5)(3)+3²
i.e. (2)²=25-30+9
i.e. 4=4

Answer 2

put the value a=6 and b=4
then,
⇒(6-4)² = 6² -2(6*4) + 4²
⇒(2)² = 36-48+16
⇒4=52-48
⇒4=4
LHS=RHS