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find by first principle the derivative of
arccos(x) / x
Pls help anyone??
 one year ago
 one year ago
find by first principle the derivative of arccos(x) / x Pls help anyone??
 one year ago
 one year ago

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avshvkBest ResponseYou've already chosen the best response.0
\[\cos^{1} (x) / x find the derivative by first principle???\]
 one year ago

Goten77Best ResponseYou've already chosen the best response.0
does this mean we cant use the quotient rule?
 one year ago

avshvkBest ResponseYou've already chosen the best response.0
it should be done only by first principle method and not using the formula
 one year ago

whpalmer4Best ResponseYou've already chosen the best response.1
\[\frac{dy}{dx}=\lim_{h \rightarrow 0}\frac{f(x+h)f(x)}{h}=\lim_{h \rightarrow 0}\frac{1}{h}(\frac{\cos^{1}(x+h)}{x+h}\frac{\cos^{1}(x)}{x})\] Grind out the work...
 one year ago

avshvkBest ResponseYou've already chosen the best response.0
after this what next how to resolve the RHS, pls help
 one year ago

whpalmer4Best ResponseYou've already chosen the best response.1
I'd start by making a common denominator for the right hand side...
 one year ago

avshvkBest ResponseYou've already chosen the best response.0
Pls give me the steps i'm not getting it.
 one year ago

klimenkovBest ResponseYou've already chosen the best response.0
Reduce this:\[\frac{\cos^{1}(x+h)}{x+h}\frac{\cos^{1}(x)}{x}\].
 one year ago

avshvkBest ResponseYou've already chosen the best response.0
yes this is correct answer but it should be done with first principle method
 one year ago

nitzBest ResponseYou've already chosen the best response.0
the method suggeested by @whpalmer4 is right
 one year ago

avshvkBest ResponseYou've already chosen the best response.0
yes but how do we go further to get the answer?
 one year ago
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