The Purplemath Forums

by **jpd75** on Thu Jan 21, 2010 7:33 pm

I used quotient rule then used product and didnt get right answer.

Could someone please work it out and show me?
http://uploadrobots.com/QxOAFM

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by **stapel_eliz** on Fri Jan 22, 2010 12:20 pm

FYI to viewers: The exercise is as follows:

Use the quotient rule to find the derivative of the following:

. . . . . $y\, =\, \frac{(4x^2\, +\, 6)(3x\, +\, 3)}{5x\, -\, 8}$

No work is displayed at the link.

by **nona.m.nona** on Fri Jan 22, 2010 2:46 pm

Please show what you've done, so that any mistake(s) may be located and corrected. Thank you.

How do I do this complex problem?