1.

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

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`


Discussion

No Comment Found