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Mathematics 12 Online
OpenStudy (anonymous):

Use the chain rule to find dy/dx for the given value of x. y= u-u^2 ; u=x-3; for x=0 the answer I get is 7. Is that correct?

OpenStudy (anonymous):

yea its 7

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

Answer 7 correct but what method. This is an exercise to practice chain rule. dy/dx=dx-2u dx

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