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.

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Q1.

The value of $\sum\limits_{n = 1}^\infty {\frac{{^n{C_0} + ... + ^n{C_n}}}{{^n{P_n}}}}$ is

(A)

$e^2$

(B)

$e$

(C)

$e^2 - 1$

(D)

$e - 1$

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Q2.

Find the sum of the series $\frac{1}{2!} + \frac{1}{4!} + \frac{1}{6!} + \dots \infty$.

(A)

$\left( \frac{e^2 - 1}{2} \right)$

(B)

$\frac{(e - 1)^2}{2e}$

(C)

$\frac{e^2 - 1}{2e}$

(D)

$\frac{e^2 - 1}{e}$

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