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Let Sn=underset(k=1)overset(4n)Sigma (-1...

`Let S_n=underset(k=1)overset(4n)Sigma (-1)^((k(k+1))/2)k^2`.Then `S_n` can take value (s)

A

1056

B

1088

C

1120

D

1332

Text Solution

Verified by Experts

The correct Answer is:
A, D
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