Friday

April 25, 2014

April 25, 2014

Posted by **Jess** on Thursday, December 6, 2012 at 7:45pm.

1. find the third derivative of

f(t)=(t-1)/(t+1)

2.

y= x^(x^2) ; dy/dx

please help! thank you!

- MATH urgent -
**Steve**, Thursday, December 6, 2012 at 10:33pmf = (t-1)/(t+1)

f' = 2/(t+1)^2

now it's easy

f'' = -4/(t+1)^3

f''' = 12/(t+1)^4

y = x^(x^2)

lny = x^2 ln x

1/y y' = 2x lnx + x^2/x

y' = y(2x ln x + x)

and plug back in y = x^(x^2)

**Related Questions**

calculus - Find the derivative of the function using the definition of ...

calculus - Differentiate both sides of the double angle identify sin 2x= 2 sin x...

Calculus (Urgent!!) - Hello everyone, I need help with the following problems. ...

MATH URGENT - f(x)=12x^5+45x^4–80x^3+2 the question asks to find the inflection ...

Maths Calculus Derivative Integral - Urgent Please - Use 2nd Fundamental Theorem...

calculus - Hello. I need help finding the open intervals of this equation: f(x)=...

calculus - Hello. I need help finding the open intervals of this equation: f(x)=...

Math - Consider the following where s is in feet and t is in seconds. s(t) = t^3...

math - Consider the function defined below. y = 2t3 - 4t2 + 3 (a) Calculate the ...

math urgent urgent urgent - x+2y=12 find intercept a circle equation x^2+y^2+4x-...