How can i solve this equation a1 X^3+ a2 X^2 + a3 X * e^(-a4 X)+a5=0 ?

Abdelhay Ali @Abdelhay_Ali2

05 May 2015 0 480 Report

a1 X^3+ a2 X^2 + a3 X * e^(-a4 X)+a5=0

where a1, a2, a3, a4 and a5 are constant. i need closed form expression of roots.

Thanks

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