Question

using identities evalute (54)square​

Answer 1

(54)²

(60-6)²

by using algebric identity-l

(a-b)²=a²-2ab+b²

(60-6)²

(60)²-2(60)(6)+6²

3600-2×60×6+36

3600-720+36

2880+36

2916