Wednesday

April 16, 2014

April 16, 2014

Posted by **Hannah** on Sunday, February 27, 2011 at 8:07pm.

g(x)=(x^3+1)(3x^2-1)

I know that the answer is

15x^4-3x^2+6x but I donot know how to get to this. I was using

g'(x) X h(x) + g(x) X h'(x) and I was using the derivatives 3x^2 and 6x but I guess this is wrong. Please help!! Thank you.

- Math(Urgent) -
**Reiny**, Sunday, February 27, 2011 at 8:18pmg '(x) = 6x(x^3+1) + 3x^2(3x^2-1)

= 6x^4 + 6x + 9x^4 - 3x^2

= 15x^4 - 3x^2 + 6x

- Math(Urgent) -
**Hannah**, Sunday, February 27, 2011 at 8:40pmThank You

**Related Questions**

Math - Differentiate g(x)=(x^3+1)(3x^2-1) so I use g'(x) X h(x) + g(x) X h'(x) ...

Math(Please check. Thank You) - 1) solve:e^x(x^2-4)=0 e^x=0 and then (x+2)(x-2) ...

Calculus - I'm having problems with this one. Can't get the right answer. ...

Math - Can someone please check my answers below for accurateness? The ...

Calculus - please check my work - Differentiate each function a) y = -3x^2 + 5x...

calculus - I am trying to find equation of the tangent line to the curve 2/(1-3x...

lomas - Right answer? 15(x^2+3x) + 7(x^2+3x) - 5(x^2+3x) 15x^2+45x+7x^2+21x + 5...

math - 3x-4=-2(3x+5) 3x-4=-2(3x+5) clear the fraction. 3x-4=-6x-10 add+6x+4 to ...

Math(Please check answers) - Factor completely. If the polynomial cannot be ...

math calculus - (24x^3-54x^2-15x)/(6x^2-15x) i dont factor number from whole ...