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## Homework Statement

Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.

u(1)=2, u'(1)=-7, v(1)=7,v'(1)=-2

d/dx (uv) at x =1

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- Thread starter carlarae
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Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.

u(1)=2, u'(1)=-7, v(1)=7,v'(1)=-2

d/dx (uv) at x =1

- #2

gb7nash

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What have you tried?

- #3

Simon Bridge

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look for the equations you use when you have to differentiate a combination of two functions... one of them looks like your problem.

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- #5

Ray Vickson

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In your answer (2)(2) + (7)(-7), where did the 2 come from? What about the -2? Where did you get the 7? Ditto for the -7.

RGV

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