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

Question

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

Pratham Ashish · Answer

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....

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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

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

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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

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

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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