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Find the value of the derivative of
f(x) = 7*arcsec 4x + 6*arccos (1/x)
at x = 1 without using a calculator.
Guest Jan 29, 2012
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f(x)=x^2+2x-3   g(x)=x-9

f(x-9)=(x-9)^2+2(x-9)-3

f(x-9)=x^2-18-81+2x-18-3

f(x-9)=x^2-16x-102

Guest Jul 22, 2016

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