Evaluate using identity (93)^2
Answers
Answered by
7
Answer:
8659
Step-by-step explanation:
Answered by
24
Answer:
Step-by-step explanation:(90+3)^2
(a+b)^2=a^2+b^2+2ab
90^2+3^2+2×90×3
810+9+540
1439
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