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OpenStudy (anonymous):
Use the definition of derivative to find the derivative of f(x)=sqrt(x-1)
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OpenStudy (anonymous):
OpenStudy (anonymous):
There is my work. I got 1 as my answer.
zepdrix (zepdrix):
lol :)
zepdrix (zepdrix):
Your work looks good up until about the middle, You multiplied the top and bottom by the conjugate of the top. And then in the next step it disappeared from the bottom! :D
OpenStudy (anonymous):
Ohhhh.
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OpenStudy (anonymous):
Damn, it's been too long a day. Thanks.
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