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Mathematics
Thefunman
Feb 4, 2018, 12:13:40 AM
14

Find f(a), f(a+h) and the difference quotient (f(a+h)-f(a))/ h, where hod want equal 0. F(x)= 2x/ x-1

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(1) Answers
Brittneyy
Feb 4, 2018, 11:28:19 AM

First.  Calculate f'(x) = (2x/x-1)' = (-2)/[latex] (x-1)^{2} [/latex]; when x is not 1; Second. Calculate f'(0) = -2 => the difference quotient (f(a+h)-f(a))/ h, where hod want equal 0 is -2; Third. f(a) = 2a/a-1; f(a+h) = (2a+2h)/(a+h-1);

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