WBJEE · Maths · Limits
The value of \(f(0)\) so that the function \(f(x)=\frac{1-\cos (1-\cos \mathrm{x})}{\mathrm{x}^4}\) is continuous everywhere is
- A \(\frac{1}{2}\)
- B \(\frac{1}{4}\)
- C \(\frac{1}{6}\)
- D \(\frac{1}{8}\)
Answer & Solution
Correct Answer
(D) \(\frac{1}{8}\)
Step-by-step Solution
Detailed explanation
\[ \text { Hints: } \operatorname{Lim}_{x \rightarrow 0} \frac{1-\cos (1-\cos x)}{x^4} \]…
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