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If `y=e^(sqrt(x))+e^(-sqrt(x))`, then `(dy)/(dx)i se q u a lto``(e^(sqrt(x)))/(2sqrt(x))`(b) `(e^(sqrt(x))-e^(-sqrt(x)))/(2x)``1/(2sqrt(x))sqrt(y^2-4)`(d) `1/(2sqrt(x))sqrt(y^2+4)`A. `(e^(sqrt(x))-e^(-sqrt(x)))/(2sqrt(x))`B. `(e^(sqrt(x))-e^(-sqrt(x)))/(2x)`C. `(1)/(2sqrt(x))sqrt(y^(2)-4)`D. `(1)/(2sqrt(x))sqrt(y^(2)+4)`

Answer» `(dy)/(dx)=(e^(sqrt(x)))/(2sqrt(x))-(e^(-sqrt(x)))/(2sqrt(x))=(e^(sqrt(x)-)e^(-sqrt(x)))/(2sqrt(x))`
`=(sqrt((e^(sqrt(x))+e^(-sqrt(x)))^(2))-4)/(2sqrt(x))`
`=(sqrt(y^(2)-4))/(2sqrt(x))`


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