evaluate the following by using indentitys :(97)²
Answers
Answered by
4
Answer:
9309
Step-by-step explanation:
(90+7)²
(90)²+(7)²+2×90×7
8100+49+1260
=9309
Answered by
1
Answer:
(97)^2
=(100-3)^2 _____________ (a-b)^2
=(10,000)+(9)-(600)________(a^2+b^2-2ab)
=10,009-600
=9409
HOPE THIS WILL BE HELPFUL
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