# Homework Help: Sine integral (sinc integral) question

1. Oct 2, 2008

### redtree

How might I find the integral solution for the following:

(Sorry for the poor notation)

$$\int$$sinc(4x*$$\sqrt{(1-2/x)}$$) dx from -$$\infty$$ to $$\infty$$

2. Oct 3, 2008

### sutupidmath

i find your writting a little bit ambiguous, what is 'sinc'?

3. Oct 3, 2008

4. Oct 3, 2008

### Count Iblis

Put the argument of the sinc equal to u, then the integral becomes:

sin(u)/u 1/(du/dx)

Express du/dx in terms of u.