Your AI-Powered Personal Tutor
Question

If $\lim_\limits{x \rightarrow 0} \frac{e^{a x}-\cos (b x)-\frac{cx e^{-c x}}{2}}{1-\cos (2 x)}=17$, then $5 a^{2}+b^{2}$ is equal to

64
68
72
76

Solution

Please login to view the detailed solution steps...

Go to DASH