Aspire Faculty ID #16701 · Topic: CUET 2023 · Just now
CUET 2023

LIST I LIST II
A. $\displaystyle \lim_{x\to0}\left(\dfrac{\sin x}{x}\right)^{\frac{\sin x}{x-\sin x}}$ I. $e^3$
B. $\displaystyle \lim_{x\to0}\dfrac{\int_0^x \sin^2 t\,dt}{x^2}$ II. $0$
C. $\displaystyle \lim_{x\to0}(e^{2x}+x)^{1/x}$ III. $1$
D. $\displaystyle \lim_{x\to a}\dfrac{\log(x-a)}{e^x-e^a}$ IV. $e^{-1}$

Solution

A: Standard limit → $e^{-1}$ → IV

B: $\int_0^x \sin^2 t,dt \sim \dfrac{x^3}{3}$ ⇒ limit $=0$ → II

C: $(e^{2x}+x)^{1/x} \to e^3$ → I

D: Using L’Hospital ⇒ limit $=1$ → III

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