e-kN-kN-1-0-Find-the-value-of-N-

Question Number 13412 by tawa tawa last updated on 19/May/17

e^{- kN} - kN - 1 = 0

Find the value of N

Answered by mrW1 last updated on 20/May/17

e^{- k N} = k N + 1

e^{- k N - 1} = (k N + 1) e^{- 1}

(k N + 1) e^{(k N + 1)} = e

k N + 1 = W (e)

N = \frac{W (e) - 1}{k} = \frac{1 - 1}{k} = 0

Commented by tawa tawa last updated on 20/May/17

God bless you sir .