1.

Differentiate cos^2x+e^xcosx

Answer»

Solution :`y=cos^2x+e^xcosx`
`(DY)/dx=d/dx(cosx)^2+d/dx(e^xcdotcosx)`
`=2cosxcdotd/dx(cosx)+d/dx(e^x)cdotcosx+e^xcdotd/dx(cosx)`
`-2COSX cdot SINX+e^xcdotcosx-e^x cdot sinx`


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