can someone check this please. Differentiate the function y = f(x) = x squared−x divided by
x .
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OpenStudy (turingtest):
2x
OpenStudy (anonymous):
\[f(x) ={ {x^2 -x} \over x} ?\]
OpenStudy (anonymous):
my final answer i got was -x^2 - 2x divided by x^2
hero (hero):
Oh, lol
hero (hero):
That has to be it
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OpenStudy (turingtest):
if f(x)=(x^2-x)/x
then f'(x)=1
OpenStudy (anonymous):
\[f(x) = x - 1 \]
\[f'(x) = 1 \]
hero (hero):
Yes, correct f'(x) = 1
OpenStudy (turingtest):
if that's how the question was written
hero (hero):
Ishaan did it the best way
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OpenStudy (turingtest):
otherwise without parentheses it would be 2x
hero (hero):
It's not 2x
OpenStudy (turingtest):
if he meant x^2-(x/x) it is. the question needs parentheses.
OpenStudy (anonymous):
problem = x^2 - x all divided by x then using the quotient rule = (x^2-x) (1) - (2x-1)(x) divided by x ^2. then x^2-x-2x^2 - x all divided by x squared. sorry if thats hard to follow but the question is on a mock exam without an answer key and has no parantheses.
OpenStudy (anonymous):
derivative of [x^2-x]/x is 1
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