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OpenStudy (pottersheep):
Find derivative using limit formula...help please :( y = (3/4)(2-x)^1/2
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OpenStudy (anonymous):
Limit formula?
OpenStudy (pottersheep):
using first principles
OpenStudy (anonymous):
When you end up with the radicals in the numerator, multiply the top and bottom by the conjugate. I'm not sure if it's called the conjugate but If you have sqrt(A)+sqrt(B). Multiply through by sqrt(A)-sqrt(B)
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