The sum of coefficients in the expansion of $(1 + x + x^2)^n$ is

  • A
    $2$
  • B
    $3^n$
  • C
    $4^n$
  • D
    $2^n$

Explore More

Similar Questions

Expand the expression $\left(x+\frac{1}{x}\right)^{6}$.

Find the coefficient of $x^{5}$ in the product $(1+2x)^{6}(1-x)^{7}$ using the binomial theorem.

Difficult
View Solution

If $(2+\sqrt{3})^{49}+(\sqrt{3}-2)^{49}=a+b \sqrt{3}$,where $a, b \in \mathbb{Q}$,then

Expand the expression $\left(\frac{2}{x}-\frac{x}{2}\right)^{5}$

Find the coefficient of $x^5$ in $(1+x+x^2)^8$.

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo