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Qn #1623
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Sum of 20 terms of the series $–1^{2} + 2^{2} –3^{2} + 4^{2} – …$ is
A.
180
B.
200
C.
210
D.
220
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❓ Question: Sum of 20 terms of the series $–1^{2} + 2^{2} –3^{... | TANCET Group Studies | Tancet Group Studies