Functions Question 126
Question: $ \underset{x\to \pi /2}{\mathop{\lim }},\frac{1+\cos 2x}{{{(\pi -2x)}^{2}}}= $
[DSSE 1986; AI CBSE 1986]
Options:
A) $ 1 $
B) $ 2 $
C) 3
D) $ \frac{1}{2} $
Show Answer
Answer:
Correct Answer: D
Solution:
$ \pi -2x=\theta \Rightarrow x=\frac{\pi }{2}-\frac{\theta }{2} $ and as $ x\to ,(\pi /2),\theta \to 0 $ Now solve yourself.
BETA
