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Differentiate w.r.t x, the following fun...

Differentiate w.r.t x, the following function:
(i) `sqrt(3x+2) + (1)/(sqrt(2x^(2) + 4))` (ii) `e^(sec^(2)x)+ 3 cos^(-1)x` (iii) `log_(7) (log x)`

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The correct Answer is:
(i) `(3)/(2 sqrt(3x + 2))- (2x)/((2x^(2) + 4)^((3)/(2)))`, (ii) `2sec^(2)x. tan xe^(sec^(2)x) - 3 ((1)/(sqrt(1-x^(2))))` (iii) `(1)/(x log 7 log x)`
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KUMAR PRAKASHAN-CONTINUITY AND DIFFERENTIABILITY-Textbook Illustrations for Practice Work
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