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The value of ,^nC0 + ^(n+1)C1 +^(n+2)C2+...

The value of `,^nC_0 + ^(n+1)C_1 +^(n+2)C_2+……+^(n+k)C_k` is equal to

A

`,^(n+k+1)C_k`

B

`,^(n+k+1)C_(n+1)`

C

`,^(n+k)C_(n+1)`

D

none of these

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The correct Answer is:
A, B
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PATHFINDER-BINOMIAL THEOREM-QUESTION BANK
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  4. If the expansion of (x+(alpha/x))^n and (x+(beta/x^2))^n in powers of ...

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  9. Consider following two infinite series in real r and 0 C=1+rcostheta...

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  10. Consider following two infinite series in real r and 0 C=1+rcostheta...

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  14. Match List-I with List-II

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  18. The coefficient of x^4 in the expansion of (1+x+x^2+x^3)^11 is lamda ....

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