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Continuity And Differentiability

Question
CBSEENMA12034917

Differentiate the following w.r.t.x: straight e to the power of 3 straight x end exponent log left parenthesis sin space 2 straight x right parenthesis

Solution
Let space space space space space straight y equals straight e to the power of 3 straight x end exponent log left parenthesis sin space 2 straight x right parenthesis
therefore space dy over dx equals straight e to the power of 3 straight x end exponent. straight d over dx left square bracket log left parenthesis sin space 2 straight x right parenthesis right square bracket plus log left parenthesis 2 sin space straight x right parenthesis. straight d over dx left parenthesis straight e to the power of 3 straight x end exponent right parenthesis
space space space space space space space space space space space space space equals straight e to the power of 3 straight x end exponent. fraction numerator 1 over denominator sin space 2 straight x end fraction cross times 2 space cos space 2 straight x plus log left parenthesis sin space 2 straight x right parenthesis.3 straight e to the power of 3 straight x end exponent
space space space space space space space space space space space space space equals straight e to the power of 3 straight x end exponent left square bracket 2 space cot space 2 straight x plus 3 log left parenthesis sin space 2 straight x right parenthesis right square bracket

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