Download the app

Questions  

 No. of solutions of sinx=ex+e-x

a
2
b
0
c
3
d
4

detailed solution

Correct option is B

We have ex+e-x2≥exe-x (∵Am,>Gm)⇒ex+e-x≥2⇒sinx≥2⇒the given equation has no solution ∵-1≤sinx≤1

Talk to our academic expert!

+91

Are you a Sri Chaitanya student?


Similar Questions

Difference between maximum and minimum values of θ satisfying the equation sin4θ+cos7θ=1  in the interval (π,π)  is:


phone icon
whats app icon