by Farhana Rahim on 2024-11-17 16:13:12
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Question: 1/2{(a+b)2+(a-b)2}=? |
A) a2 + b2 |
B) a2 - b2 |
C) (a+b)2/2 - (a-b)2/2 |
D) (a+b)2+(a-b)2 |
Correct Answer: a2 + b2 |
ব্যাখ্যা: |