MathsJEE Main 5 Apr 2026, Shift 1·Q23·Numerical·Moderate

Binomial Theorem · Coefficient of a term

If the sum of the coefficients of

x^7

and

x^{14}

in the expansion of

\left(\dfrac{1}{x^3} - x^4\right)^n

x \neq 0

, is zero, then the value of

n

is .

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