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If n is odd then the sum of n terms of t...

If n is odd then the sum of n terms of the series
`1^(2)-2^(2)+3^(2)-4^(2)+5^(2)-6^(2)-.. .. .. ..` is

A

a.` (n(n+1))/(2)`

B

b. `(-n(n+1))/(2)`

C

c.`(n(n-1))/(2)`

D

d.`(-n(n-1))/(2)`

Text Solution

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The correct Answer is:
A
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HIMALAYA PUBLICATION-MATHEMATICAL INDUCTION AND SUMMATION OF SERIES-Question Bank
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