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Find number of real roots of equation e^...

Find number of real roots of equation `e^(4x) + e^(3x) - 4e^(2x) + e^(x) + 1 = 0` is

A

`2`

B

`3`

C

`4`

D

`1`

Text Solution

Verified by Experts

The correct Answer is:
4
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