Question

verify using algebraic identity (4xy + 3y)² - (4xy - 3y)² = 48xy²​

Answer 1

Answer:

We have

LHS=(4xy + 3y)² - (4xy - 3y)²

using identity a²-b²=(a+b)(a-b)

(4xy+3y+4xy-3y)(4xy+3y-4xy+3y)

8xy×6y

48xy²=RHS

LHS=RHS hence proved