simplify using identities 178 x 178 - 22 x 22
Answers
Answered by
1
31200
as identity (A)square - (B) square=(A+B) (A-B)
as identity (A)square - (B) square=(A+B) (A-B)
Answered by
11
178×178-22×22= a2-b2=(a+b)(a-b)
so equation will be .....
(178)2-(22)2=(178+22)(178-22)
200×156
=31200
here "a2"means that "a"power to 2
I hope this will help
so equation will be .....
(178)2-(22)2=(178+22)(178-22)
200×156
=31200
here "a2"means that "a"power to 2
I hope this will help
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