Thread: Fundamental Theorem of Calculus to evaluate the integrals

1. Fundamental Theorem of Calculus to evaluate the integrals

integral 4, 9
sqrt x dx

2. Originally Posted by cara
integral 4, 9
sqrt x dx
this is very basic stuff ... where are you having problems?

3. Well, I find derivatives very easy, it's just that I am having trouble with finding the antiderivatives

4. Originally Posted by cara
Well, I find derivatives very easy, it's just that I am having trouble with finding the antiderivatives
antiderivative of $x^n$ is $\frac{1}{n+1} \cdot x^{n+1}$

for $\int_4^9 \sqrt{x} \, dx$ , $n = \frac{1}{2}$

give it a go ...