Functions Question 106

Question: $ \underset{x\to 0}{\mathop{\lim }},\frac{x^{2}-\tan 2x}{\tan x}= $

[AI CBSE 1990]

Options:

A) 2

B) ?2

C) 0

D) None of these

Show Answer

Answer:

Correct Answer: B

Solution:

$ \underset{x\to 0}{\mathop{\lim }}\frac{x,( x-\frac{2\tan 2x}{2x} )}{\tan x}=-2. $