The value of \[\sum\limits_{r=0}^{50}{{{(-1)}^{r}}}\]\[\frac{^{50}{{C}_{r}}}{r+2}\]is equal to

The value of \[\sum\limits_{r=0}^{50}{{{(-1)}^{r}}}\]\[\frac{^{50}{{C}

1.	The value of \[\sum\limits_{r=0}^{50}{{{(-1)}^{r}}}\]\[\frac{^{50}{{C}_{r}}}{r+2}\]is equal to
A.	\[\frac{1}{50\times 51}\]
B.	\[\frac{1}{52\times 50}\]
C.	\[\frac{1}{52\times 51}\]
D.	none of these
Answer» D. none of these

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The value of \[\sum\limits_{r=0}^{50}{{{(-1)}^{r}}}\]\[\frac{^{50}{{C}_{r}}}{r+2}\]is equal to

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