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Mathematics 7 Online
OpenStudy (anonymous):

how to differentiate sqrt(x^2+x-2)

OpenStudy (perl):

first change square root to a rational exponent

OpenStudy (anonymous):

(x^2+x-2)^1/2?

OpenStudy (perl):

yes

OpenStudy (perl):

now use chain rule version of power rule

OpenStudy (anonymous):

i see it now

OpenStudy (anonymous):

(x^2+x-2)^-1/2 (2x+1)

OpenStudy (anonymous):

then (2x+1)/2sqrt(x^2+x-2)

OpenStudy (anonymous):

:O thanks

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