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  • The sum of the numerical coefficients in the expansion of <img alt="\left(1+\frac{2 x}{3}+\frac{y}{3}\right)^{12}" src="https://entrancecorner.oncodecogs.com/gif.latex?%5Cleft%281&plus;%5Cfrac%

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

Option: 1

1


Option: 2

2


Option: 3

2^{12}


Option: 4

None of these


Answers (1)

best_answer

The sum of the numerical coefficients is obtained by putting x=1, y=1.
Hence, required sum = \left(1+\frac{2}{3}+\frac{1}{3}\right)^{12}=2^{12}

Posted by

Kuldeep Maurya

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