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if `y=sqrt(x) + 1/sqrt(x)`, then `(dy)/(dx)` at x=1 is equal toA. 1B. `1/2`C. `1/sqrt(2)`D. 0 |
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Answer» Correct Answer - d Given, `y=sqrt(x) + 1/sqrt(x)` Now, `(dy)/(dx) = 1/(2sqrt(x)) -1/(2x^(3//2))` `therefore ((dy)/(dx))_(x=1)=1/2-1/2=0` |
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