How do you know when to apply product rule and when to apply chain rule?
For the problem xy+2x+3y^3=x^5+2
my instructor applied product rule to xy and chain rule to 3y^3. How can I tell the difference?
Stacey Warren - Expert brainly.com
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Oh nice. I'm guessing I don't know you. You apply product rule to xy because you have two variables x and y. You apply chain rule to y^3 because y is a function of x, so the derivative of y^3 is 3y^2*dy/dx
Ohhhhh I see now. Thanks a lot for your help!
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