Class 11

Exponential and Logarithmic Series question bank (Maths)

Practice 190 free Class 11 Maths - Exponential and Logarithmic Series questions with answers and step-by-step solutions.

Start free Book a demo

All Easy Hard Medium

Q1.

The coefficient of $x^{10}$ in the expansion of $(2+3x)e^{-x}$ is:

(A)

$\frac{-26}{10!}$

(B)

$\frac{-28}{10!}$

(C)

$\frac{-30}{10!}$

(D)

$\frac{-32}{10!}$

Show answer & solution

Verified Answer & Solution Locked

Q2.

The coefficient of $x^n$ in the expansion of $\frac{e^{7x}+e^x}{e^{3x}}$ is

(A)

$\frac{4^{n-1}-(-2)^{n-1}}{n!}$

(B)

$\frac{4^{n-1}-2^{n-1}}{n!}$

(C)

$\frac{4^{n}-2^{n}}{n!}$

(D)

$\frac{4^{n}+(-2)^{n}}{n!}$

Show answer & solution

Verified Answer & Solution Locked

Protected Questions

Log in or sign up free to access every question with complete solutions, create chapter practice tests, and track your performance.

Sign up free to access all 6 questions

Unlock every Exponential and Logarithmic Series question, generate papers, and practice at your own pace.