1.

e^(|sin x|)+ e^(-|sin x|) + 4 a = 0will have exactly four different solutions in [0, 2 pi] is

Answer»

`a in R`
`a in [-(E)/(4),-(1)/(4)]`
`a in [- (1 - e^(2))/(4 e), infty]`
NONE of these

Answer :D


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