1.

x के सापेक्ष अवकलन कीजिए । `log(cos e^(x))`

Answer» माना `y=log(cos e^(x))`
`(dy)/(dx)=(d)/(dx)log(cos e^(x))`
`=(1)/(cos e^(x))(d)/(dx)cos e^(x)`
`=(1)/(cos e^(x)).(-sine^(x)).(d)/(dx)e^(x)`
`=-e^(x).tane^(x)`


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