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Mathematics 11 Online
OpenStudy (anonymous):

Find the derivative of the given function. r(x) = x cos x + x2 + 9

OpenStudy (solomonzelman):

first function "x cos x" by the product rule, x^2 by the power rule, and the derivative of a constant is zero.

OpenStudy (solomonzelman):

do you remember the product rule?

OpenStudy (anonymous):

Unfortunately, no. Could you remind me, please?

OpenStudy (solomonzelman):

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