by Farhana Rahim on 2024-11-17 17:13:12
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Question: a+b+c=9, a2+b2+c2=29 হলে ab+bc+ca =? |
A) 52 |
B) 46 |
C) 22 |
D) 26 |
Correct Answer: 26 |
ব্যাখ্যা: |