The number of real roots of the equation e4x $-$ e3x $-$ 4e2x $-$ ex + 1 = 0 is equal to ______________.

Question

The number of real roots of the equation e^4x $-$ e^3x $-$ 4e^2x $-$ e^x + 1 = 0 is equal to ______________.

Correct Answer

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