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Binomial Theorem question

2021 · 17 Mar · Shift 2 · Q35
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  5. /2021 · 17 Mar · Shift 2 · Q35

Binomial Theorem question

2021 · 17 Mar · Shift 2 · Q35

JEE MainMathematicsBinomial TheoremNumerical+4 / −1
Let the coefficients of third, fourth and fifth terms in the expansion of (x+ax2)n,xe0{\left( {x + {a \over {{x^2}}}} \right)^n},x e 0(x+x2a​)n,xe0, be in the ratio 12 : 8 : 3. Then the term independent of x in the expansion, is equal to ‾\underline{\hspace{2cm}}​.
Numerical answer
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