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Vaibhav Mathur Grade: 12
                                      n

If n is even natural no.then, ?(-1)^r/nCr
r=0
equals
(a)0(b)1/n
(c)(-1)^n/2/(nCn/2)
(d)none of these
8 years ago

Answers : (1)

Pratham Ashish
17 Points
										

Dear vaibhav ,


i wud suggest u to make ur question a litter more clear as it is unclear dat wat is asked in dis question....

8 years ago
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