https://webwork.math.ohio-state.edu/...7311241b11.png

what should I substitute here?

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- May 5th 2010, 04:58 AMmag6Trig substitution
https://webwork.math.ohio-state.edu/...7311241b11.png

what should I substitute here? - May 5th 2010, 05:09 AMpickslides
It might become more obvious if you complete the square in the denominator first... (Rofl)

- May 5th 2010, 05:14 AMmag6
- May 5th 2010, 05:33 AMpickslides
Try making

- May 5th 2010, 05:54 AMmag6
- May 5th 2010, 06:29 AMmag6