Why I must use the quotient rule to find the derivative of 2x2 and in the case of x32+3x2 I should use the product rule?
Answer
Hint:
2x2=2x−2
and you can use the product rule.
More general:
The quotient rule for f(x)g(x) ghives the same result as the product rule for f(x)[g(x)]−1 ( can you prove this result?)
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