The question is find dy/dx of .
which I rewrote as
then, using the chain rule, .
But the book gives the answer .
Is my answer wrong? Or do I just need to simplify it further?
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Hello, Happy! Find of: . .
which I rewrote as: . . . . good!
then, using the chain rule, . . . . You dropped a "2"
Then they used the identity: .
Oh yes! Thank you, I forgot to "chain" the derivative of the 2x to the rest of the chained derivative.
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