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The quadratic formula is the formula that solves any quadratic equation. So, keeping things general, let's begin with a completely general quadratic equation: ax2+bx+c=0 ...
Remember the rule for integrating is that x^n integrates to xn+1/(n+1). Here, n = 2 so n+1 = 3. Therefore the integral will be (x3)/3. Remember that as the integral has is indefi...
Lets use and example: y=xsin(x). If we try to integrate this normally, we find it very hard. The integration by parts method splits up the function we are integrating into manageable bits. The formula...
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