## needhelp07 2 years ago problem: find the derivative using the limit method y=square root of 4-x

1. needhelp07

$\sqrt{4-x}$

2. needhelp07

and show ur solution

3. cwrw238

write the expression in the form (4 - x)^(1/2) limit as h --> 0 is (4+h - x)^1/2 - (4 - x)^1/2 ----------------------- h you'll need to use the binomial theorem to expand terms in the numerator