Question

1^2+2^2+3^2+....+n^2 = (n(n+1)^2)/2
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Answer 1

Answer:

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Step-by-step explanation:

 

1² + 2² + 3² + + n² = [n(n+1)²/2

Prosess Is using 1 and 2 and 3 square At By puting X by\1 divided by all 2