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Question
Differentiate the function with respect to x.
`cos (sqrtx)`
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Solution
Let, y = cos `(sqrtx)`
`dy/dx = d/dx cos (sqrtx)`
= `-sin sqrtx. d/dx (sqrtx)`
= `-sin sqrtx . 1/2 (x)^((-1)/2)`
= `(-sin sqrtx)/(2sqrtx)`
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