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a+b+c=9, a2+b2+c2=29 হলে ab+bc+ca =?

by Farhana Rahim on 2024-09-16 22:57:22

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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:




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Short Description: a+b+c=9, a2+b2+c2=29 হলে ab+bc+ca =?
Tag: 52, 46, 22, 26
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