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Limits Continuity and Differentiability question

2023 · 13 Apr · Shift 2 · Q25

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JEE Main
Mathematics
Limits Continuity and Differentiability
2023 · 13 Apr · Shift 2 · Q25

Limits Continuity and Differentiability question

2023 · 13 Apr · Shift 2 · Q25

JEE MainMathematicsLimits Continuity and DifferentiabilityMCQ+4 / −1

If

\lim_{x \rightarrow 0} \frac{e^{a x}-\cos (b x)-\frac{cx e^{-c x}}{2}}{1-\cos (2 x)}=17

, then

5 a^{2}+b^{2}

is equal to

A
64
B
68
C
72
D
76

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