Find the derivative using the definition (NOT shortcuts, we must use definition).

y=1/sqrt (x)

My friend and I got it down to x^(-1) - x^(-3/2)

but the answer is: -1/2x^(3/2)

How did they get that? (not using shortcuts)

Thanks!

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- February 26th 2010, 09:42 AMjanedoeFinding the derivative using the definition (have answer)
Find the derivative using the definition (NOT shortcuts, we must use definition).

y=1/sqrt (x)

My friend and I got it down to x^(-1) - x^(-3/2)

but the answer is: -1/2x^(3/2)

How did they get that? (not using shortcuts)

Thanks! - February 26th 2010, 10:02 AMPlato
- February 26th 2010, 10:09 AMRandom Variable

- February 26th 2010, 10:29 AMjanedoe