posted by .

Determine the integral by making an appropriate substitution

integral of 8x cuberoot srqt(4x^2-9) dx

let u= 4x^2-9
du= 8x dx

I do not know what to do now

So is it
"cuberoot" or "srqt" or both?
and is the 8x in the denominator, or is it "8 multiply..."?

## Similar Questions

1. ### Calc 121

How do you integrate using substitution: the integral from 1 to 3 of: ((3x^2)+(2))/((x^3)+(2x)) There is a trick to this one that grealy simplifies the integral. Let u = x^3 + 2x. Then du = (3x^2 + 2)dx The integral then bemoces just …
2. ### Math/Calculus

How would I solve the following integral with the substitution rule?
3. ### calc asap!

can you help me get started on this integral by parts?
4. ### Calculus

For the following integral find an appropriate trigonometric substitution of the form x=f(t) to simplify the integral. INT((4x^2-3)^1.5) dx x=?
5. ### Calculus

For the following integral find an appropriate TRIGNOMETRIC SUBSTITUTION of the form x=f(t) to simplify the integral. INT((4x^2-3)^1.5) dx x=?
6. ### Calculus

For the following integral find an appropriate TRIGONOMETRIC SUBSTITUTION of the form x=f(t) to simplify the integral. INT (x^2)/(sqrt(7x^2+4))dx dx x=?
7. ### Math

Determine the integral by making an appropriate substitution integral of 8x cuberoot srqt(4x^2-9) dx let u= 4x^2-9 du= 8x dx I do not know what to do now
8. ### Calc BC

1. Find the indefinite integral. Indefinite integral tan^3(pix/7)sec^2(pix/7)dx 2. Find the indefinite integral by making the substitution x=3tan(theta). Indefinite integral x*sqrt(9+x^2)dx 3. Find the indefinite integral. Indefinite …
9. ### math

Note: You can get full credit for this problem by just answering the last question correctly. The initial questions are meant as hints towards the final answer and also allow you the opportunity to get partial credit. Consider the …
10. ### calc 3

1. Evaluate the given integral by making an appropriate change of variables, where R is the region in the first quadrant bounded by the ellipse 36x^2+25y^2=1. L= double integral R (4sin(144x^2+100y^2) dA. 2. Use the given transformation …

More Similar Questions