Given the functions f(x) = arctan[(1+x)/(1-x)] and g(x) = arctan x
(a) prove that f'(x) = g'(x) , where x =/= 1
(b) evaluate the function h(x) = f(x) - g(x), on (-infinty, 1) and (1, infinity)
Concept of functions
2013-12-13 11:48 pm
回答 (1)
2013-12-15 6:08 pm
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