The sum of the coefficient | Binomial Theorem| JEE Main 2024

JEE Main 2024

09-04-2024 S2

Question

The sum of the coefficient of $x^{2 / 3}$ and $x^{-2 / 5}$ in the binomial expansion of $\left(x^{2 / 3}+\frac{1}{2} x^{-2 / 5}\right)^9$ is :

Select the correct option:

21/4

69/16

63/16

19/4

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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