# Quiz-05-Keys - Name Quiz 5 1 x 2 25 x 2 dx = The case that...

• Test Prep
• hain2005
• 1

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Name: _______________________________ Quiz 5 1. 2 2 25 ? x x dx = The case that you need is shown here. Go through the trig substitution yourself and see if you get: 2 2 2 2 25 625 sin cos x x dx d θ θ θ = And to complete integrate it out, you need this formula: + + + + = udu u m n m m n u u udu u m n m n m n 2 1 1 cos sin 1 cos sin cos sin Several of you were using the wrong formula and ended up with some rather strange result. If you got the trig integral correctly and used the wrong formula, I will deduct 1 pt. to remind you. But remember, on the test, the penalty will be more “severe”. Use Partial Fraction to evaluate 2 27 ? 9 x dx x + = If you are adventurous, use the Heaviside and see how much
• Summer '14
• Calculus, Elementary algebra, How to Solve It, Mathematics in medieval Islam, wrong formula

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