1. ## Strange Integration Problem

Hi, I'm doing a maths assignment and for part of I have to integrate a function that this segment is from.

$\displaystyle 1/10x^2$

What is the procedure for doing that? Neither my textbook of tutoring sites have had examples that seem to be applicable for this function.

2. Originally Posted by Schermy
Hi, I'm doing a maths assignment and for part of I have to integrate a function that this segment is from.

$\displaystyle 1/10x^2$

What is the procedure for doing that? Neither my textbook of tutoring sites have had examples that seem to be applicable for this function.
please clarify, and use parentheses in the future.

do you mean $\displaystyle \frac 1{10}x^2$ or $\displaystyle \frac 1{10x^2}$ ?

the first case is trivial, just apply the power rule: $\displaystyle \int x^n~dx = \frac {x^{n + 1}}{n + 1} + C$ for $\displaystyle n \ne -1$

the second case is also trivial, if you rewrite it. write it as $\displaystyle \frac 1{10}x^{-2}$ and apply the power rule

3. I'm kind of confused by your question? Do you want to integrate ? If so the answer is is -1/(10x). Oops jhevon beat me to it.

4. It was the former case and thanx very much for the answer, especially so promptly.

5. Originally Posted by Schermy
It was the former case and thanx very much for the answer, especially so promptly.

6. $\displaystyle \frac 1{10}x^3$ ???

7. Originally Posted by Schermy
$\displaystyle \frac 1{10}x^3$ ???
nope

again, the rule is: $\displaystyle \int x^n~dx = \frac {x^{n + 1}}{{\color{red}n + 1}} + C$ for $\displaystyle n \ne -1$

8. Try again it should be be $\displaystyle \frac{x^3}{30} + C$ do you see what you did wrong? oops I was to slow again.

9. don't forget the + C guys

sorry for being so fast 11rdc11

10. $\displaystyle \frac{1}{10} \frac {x^{3}}{{3}} + C$

P.S. Still learning the maths markup

11. Originally Posted by Schermy
$\displaystyle \frac {x^3}{3} + C$
don't forget the 1/10 that was there before

12. Originally Posted by Jhevon
don't forget the + C guys

sorry for being so fast 11rdc11

Lol thank you for reminding me to include my constant