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In the expansion of $\left(x+\frac{2}{x^2}\right)^{15}$ the term independent of $x$ is
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The correct answer is:
${ }^{15} C_5 2^5$
$(15-r)(1)+r(-2)=0 \Rightarrow 15-3 r=0 \Rightarrow r=5$
Thus term independent of x is $={ }^{15} C_5(1)^{10}(2)^5={ }^{15} C_5 2^5$
Thus term independent of x is $={ }^{15} C_5(1)^{10}(2)^5={ }^{15} C_5 2^5$
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