Question

If f(x) is continuous and $f\left(\frac{9}{2}\right)=\frac{2}{9}$ , then $\underset{x\to 0}{\lim }f\left(\frac{1-\cos 3x}{x^2}\right)$ is equal to :

• A. $\frac{9}{2}$
• B. $\frac{2}{9}$
• C. 0
• D. $\frac{8}{9}$

Answer 1

Answer: (B)

Correct answer is (b) $\frac{2}{9}$