calculus
posted by dylan
I am learning derivatives and I despise having to use the definition of the derivative. Please check my answer for this particular one! it is different from the one I get by differentiating.
The question: f(x) = 2+x / x^3
my answer: 6x^22x^2
Respond to this Question
Similar Questions

Calculus
show that the curves r=asin(è) and r=acos(è) intersect at right angles. can you show that the derivatives for each are the negative reciprocal of each other? 
Early Childhood Ed. QuestionPlease Help!
To capitalize on children's different learning styles, teachers should: 1.teach lessons using a multisensory approach. 2.use their own learning style to teach and let the children match them. 3.separate children by learning styles … 
Calculus
R=M^2(c/2m/3) dR/dM=CMM^2 I found the derivative. Now how would I find the vale of M that maximize the derivative dR/dM? 
Calculus: Derivatives
I'm having trouble understanding what derivatives in calculus (instantaneous speed) is. Can someone please explain it to me, or provide some easy links to learn from? 
Calculus derivatives
f(a) = a + √a (a) Find the derivative of the function using the definition of derivative. 
Calculus
How do I solve for lim h>0 (((a+h)^2 + 1)/(3(a+h)+7)  ((a^2 + 1)/3a + 7)) and then all divided by h? 
calculus
I posted one before but this is another one of those problems that i need help with! I don't know how to approach this one at all! Please help use the definition of the derivative to find f'(x) when f(x)= (4/x^2)+(2/5*x) 
Calculus (Derivatives)
What is the derivative of the this functon? 
Calculus
I know the derivative of x is 1, but I'm having a hard time proving it with the limit definition of the derivative. I have... Lim delta x >0 (x+ delta x)(x)/delta x = 0 But I know the answer is 1. I don't understand what I am … 
Calc (Derivatives)
I understand finding the derivative and there is a simpler way of doing so, however, can someone show you derive at these answers by the DEF'N of Derivatives?