2. Integral of x^2sqrt[a^2-x^2] from the interval [-a,0] i SOLVED THE FIRST ONE.. bUT i DO NOT UNDERSTAND THE SECOND ONE AT ALL!!!
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Originally Posted by elpermic 1. Integral of x^3 X square root(16-4x^2) 2. Integral of x^2sqrt[a^2-x^2] from the interval [-a,0] The first integral doesn't require trig substitution...but if you need to have to, I would recommend using the trig sub . Spoiler: In case you're wondering how to do the first one without trig sub, let . Therefore, . Therefore, which can be easily integrated. For the second integral, I would consider using the trig sub .
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