The value of - r -01515 C r r -15-22 isA- 210- 15B- 212 -15C- 213 -15D- 215 -15

The correct option is C nbsp;∑_r=0^15^15C_r r^2 15 nbsp;∑_r=0^15 r nbsp;^15C_r + 225/4 nbsp;× 2^15 nbsp; nbsp; nbsp; nbsp; nbsp;∑_r=0^15 r^2 ^ ...

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Summation by Sigma Method

The value of ...

Question

The value of $15 \sum r = 0^{15} C_{r} {(r - \frac{15}{2})}^{2}$ is

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p + q = 1

15 \sum r = 0 {^{15} C}_{r} p^{15 - r} q^{r}

m = - 2

n = - 4

m^{m} + n^{- 3}

cos \frac{π}{2^{2}} \cdot cos \frac{π}{2^{3}} \cdot . . . \cdot cos \frac{π}{2^{10}} \cdot sin \frac{π}{2^{10}}

cos \frac{π}{2^{2}} \cdot cos \frac{π}{2^{3}} \cdot . . . \cdot cos \frac{π}{2^{10}} \cdot sin \frac{π}{2^{10}}

If $^{15} C_{r} :^{15} C_{r - 1} = 11 : 5$ , find r.

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