Wednesday

August 20, 2014

August 20, 2014

Posted by **Christine** on Friday, August 7, 2009 at 10:52am.

1) y=(2x^2+3x-1)(3x^2-5x-3)

y'=(4x+3)(3x^2-5x-3)+(2x^2+3x-1)(6x-5)

2) y=(5x^2+3x-1)(3x^2-5x-3)

y'=(10x+3)(4x^2-3)+(5x^2+3x-1)(8x)

3)y=6x^3-7x^2+5x-7+x^(5/3)-7/(x^3)

y'=18x^2-14x+5+5x^(2/3)+21/(x^4)

4) y=[5x^4-3x^3+6x^2-5x+7-x^(3/2)]/x^2

y'=10x-3+5/(x^2)-14/(x^3)+1/(2((sqrt)x)^3)

5) y=(5x^2-3x+7)(3x^2+7x-2)(6x^2+4x-5)

y'=(10x-3)(3x^2+7x-2)(6x^2+4x-5)+(5x^2-3x+7)(6x+7)(6x^2+4x-5)+(5x^2-3x+7)(3x^2+7x-2)(12x+4)

6) y=(7x^3-5x^2+6x-3)^12

y'=12(21x^2-10x+6)(7x^3-5x^2+6x-3)^11

7) y=(4x^2+3)^5(2x^2-1)^4

y'=[8x(4x^2+3)^4(2x^2-1)^3][5(2x^2-1)+2(4x^2+3)]

8) y=(4x^2+3x-5)^(4/5)

y'=[4(8x+3)]/[5(4x^2+3x-5)^(1/5)]

O.K. Bold the wrong answers or let me know which ones I should double check and fix. Thanks for your help and I really appreciate it because there are no answers to these questions in the back of the book, so I need to know if they are correct. Thank you once again!

- Math -
**Marth**, Friday, August 7, 2009 at 11:22amOn number 2, I believe you copied the question incorrectly.

Many of the problems can be simplified by foiling and adding terms (#1, 2 for example)

- Math -
**drwls**, Friday, August 7, 2009 at 11:35am#2 is completly wrong

#3 has the wrong coefficent for the x^(2/3) term

#7 looks suspicious

- Math -
**Marth**, Friday, August 7, 2009 at 11:41am#7 is correctly differentiated and simplified

**Related Questions**

Please check Algebra - Please take a look at my work and let me know if I made ...

Math - I solved the equation below and got an answer of 9+-sqrt(57) but i don;t ...

Pre-algebra - Solve. 29x – 2(9x – 0.455) = 10x + 0.525 Give us you thinking on ...

math,factoring,help - Can someone please show me step by step how to do these. I...

Math - Find the equation of the tangent line 5x^2+y^2=14 at (1,3). P.S: It's ...

Algebra - almost done with Algebra...help! 2 3x – 6(2x – 0.055) = 10x + 0.515 I ...

algbrea - 3x-5(3x-7)= 2(x+9) + 45 3x-15x+35= 2x+18 +45 -12x + 35 = 2x+63 -12x -...

Math -- not "can someone simplify this for me:10x-20 / x-2 " - Repeated ...

Urgent Math please check - Very Important I can get someone to check these for ...

Algebra I - Thanks Reiny, but I'm still lost. I understand how you multipled by ...