Class 11 Chemistry Data Entry - Chemistry Level 0 of all question bank

The sum of the coefficients in the expansion of $(1+x+x^2)^n$ is

AP EAMCET 2002 All AP EAMCET

TS EAMCET 2002 All TS EAMCET

A
$1$
B
$2^n$
C
$3^n$
D
$4^n$

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Class 11

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Data Entry - Chemistry

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Level 0 of all question bank

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