The sum of the series 20 20 20 20 0 123 CCC C -+ -+ ….. 20 10 – + ….. C is

Question:

The sum of the series

${ }^{20} C_{0}-{ }^{20} C_{1}+{ }^{20} C_{2}-{ }^{20} C_{3}+\ldots . .-\ldots . .+{ }^{20} C_{10}$ is

  1. 0

  2. ${ }^{20} C_{10}$

  3. $-{ }^{20} C_{10}$

  4. $\frac{1}{2}{ }^{20} C_{10}$

Correct Option: 4

JEE Main Previous Year 1 Question of JEE Main from Mathematics Binomial Theorem and its Simple Applications chapter.
JEE Main Previous Year 2007

Solution:

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