just expand and divide each term by e^4x. That gives
1/e^4x - 5/e^3x + 10/e^2x - 10/e^x + 5 - e^x
That's easy to integrate, recalling that ∫ e^ax dx = 1/a e^ax
integration i need help
integrate:(1-e^x)^5/e^4x..plz show full working
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