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List of top Mathematics Questions on Binomial theorem asked in KEAM
If the coefficient of $x^3$ in the binomial expansion of $(2 + x)^n$ is 160, then the coefficient of $x^6$ in the binomial expansion of $(2 - x^2)^n$ is
KEAM - 2026
KEAM
Mathematics
Binomial theorem
Let $(2 - x)^9 = a_0 + a_1x + a_2x^2 + \dots + a_9x^9$. Then the value of $a_1 + a_2 + a_3 + \dots + a_8$ is equal to
KEAM - 2026
KEAM
Mathematics
Binomial theorem
If the coefficient of \(x^4\) in the binomial expansion of \((4x + a)^7\) is -1120, then the value of \(a\) is equal to
KEAM - 2026
KEAM
Mathematics
Binomial theorem
If the coefficient of $y^{3}$ in the binomial expansion of $\left(2\alpha-\frac{y}{2}\right)^{8}$ is -7, then the value of $\alpha$ is equal to
KEAM - 2026
KEAM
Mathematics
Binomial theorem
Let $(1+ax)(1-2x)^{3}=\sum_{n=0}^{4}a_{n}x^{n}$, where $a$ is a constant. If $a_{2}=0$, then the value of $a$ is
KEAM - 2026
KEAM
Mathematics
Binomial theorem
If $x^{22}$ is in the $(r + 1)^{\text{th}}$ term of the binomial expansion of $(3x^3 - x^2)^9$, then the value of $r$ is equal to
KEAM - 2026
KEAM
Mathematics
Binomial theorem
If $n$ is a positive integer and the coefficient of $x$ in the expansion of $(x^{2}+\frac{1}{x^{3}})^{n}$ is $^{n}C_{2}$, then $n$ is equal to ________.
KEAM - 2025
KEAM
Mathematics
Binomial theorem
The constant term in the expansion of $(2x^{2}-\frac{1}{x^{2}})^{6}$ is ________.
KEAM - 2025
KEAM
Mathematics
Binomial theorem
The coefficient of $x^{9}$ in the expansion of $(4-\frac{x^{2}}{4})^{12}$ is ________.
KEAM - 2025
KEAM
Mathematics
Binomial theorem
The sum of the coefficients in the binomial expansion of \( \left( \frac{1}{x} + 2x \right)^6 \) is equal to:
KEAM - 2014
KEAM
Mathematics
Binomial theorem
The coefficient of \( x^{49} \) in the product \( (x-1)(x-2)(x-3) \dots (x-50) \) is:
KEAM - 2014
KEAM
Mathematics
Binomial theorem
The middle term in the expansion of $\left(\frac{10}{x} + \frac{x}{10}\right)^{10}$ is:
KEAM - 2014
KEAM
Mathematics
Binomial theorem
The middle term in the expansion of \( \left(\frac{10}{x} + \frac{x}{10}\right)^{10 \) is:}
KEAM - 2014
KEAM
Mathematics
Binomial theorem
The coefficient of \( x^{49} \) in the product \( (x-1)(x-2)(x-3) \dots (x-50) \) is:
KEAM - 2014
KEAM
Mathematics
Binomial theorem
The sum of the coefficients in the binomial expansion of \( \left( \frac{1}{x} + 2x \right)^6 \) is equal to:
KEAM - 2014
KEAM
Mathematics
Binomial theorem
The middle term in the expansion of \( \left(\frac{10}{x} + \frac{x}{10}\right)^{10 \) is:}
KEAM - 2014
KEAM
Mathematics
Binomial theorem
The coefficient of \( x^{49} \) in the product \( (x-1)(x-2)(x-3) \dots (x-50) \) is:
KEAM - 2014
KEAM
Mathematics
Binomial theorem
The sum of the coefficients in the binomial expansion of \( \left( \frac{1}{x} + 2x \right)^6 \) is equal to:
KEAM - 2014
KEAM
Mathematics
Binomial theorem