The sum of the numerical coefficients in the expansion of ${(1 + \frac{x}{3} + \frac{2 y}{3})}^{12}$ is

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Solution

The correct option is C
The sum of the numerical coefficients in the expansion is obtained by putting x = 1, y = 1
$i . e ., {(1 + \frac{1}{3} + \frac{2}{3})}^{12} = (2)^{12}$

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