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The sum of series .^(20)C0-^(20)C1+^(20)...

The sum of series `.^(20)C_0-^(20)C_1+^(20)C_2-^(20)C_3+....+^(20)C _10` is

A

`1/2 ""^20C_10`

B

0

C

`""^20C_10`

D

`- ""^20C_10` .

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MODERN PUBLICATION-BINOMIAL THEOREM-EXERCISE
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