Let the coefficients of third, fourth and fifth terms in the
\( \ma... VIDEO
Let the coefficients of third, fourth and fifth terms in the
\( \mathrm{P} \) expansion of \( \left(x+\frac{a}{x^{2}}\right)^{n}, x \neq 0 \), be in the ratio \( 12: 8: 3 \).
W. Then the term independent of \( x \) in the expansion, is equal to
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