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- Summary
- A quick question about the theory behind the quotient rule?

Now, I understand how to use the quotient rule for derivatives and everything. I do not struggle with using it, my question is mostly about the formula itself...I very much enjoy WHY we do things in math, not just “here’s the formula, do it”....Here is the formula for the quotient rule of derivatives.

Now, my question is. Why do we square the g(x) in the denominator? I almost feel like the formula for quotient rule should just be what is in the numerator? Why do we square the g(x)? Where does that come from? Why g(x) squared?

Now, my question is. Why do we square the g(x) in the denominator? I almost feel like the formula for quotient rule should just be what is in the numerator? Why do we square the g(x)? Where does that come from? Why g(x) squared?