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12+22+32+..........+x2 এর মান কত

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

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Question:

12+22+32+..........+x2 এর মান কত

A) x(x+1)/2

B) x

C) {x(x+1)/2}2
D) { x(x+1)(2x+1)}/6
Correct Answer:
{ x(x+1)(2x+1)}/6
ব্যাখ্যা:




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Short Description: 12+22+32+..........+x2 এর মান কত
Tag: x(x+1)/2, x, {x(x+1)/2}2, { x(x+1)(2x+1)}/6
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