The sum of the series:$ 45^{2}-43^{2}+44^{2}-42^{2}+43^{2}-41^{2}+42^ – InterviewSolution

1.	The sum of the series:$ 45^{2}-43^{2}+44^{2}-42^{2}+43^{2}-41^{2}+42^{2}-40^{2}+\ldots $ till 15 terms is:(a) 1982(b) 2592(c) 2756(d) 2832
Answer» b is the answer2025+1936-1369= 2592

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