Integral( 2x^12 +5x^9)/(x^5+x^3+1)^3

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Solution

No,this is the general method.u have to divide the numerator by the max power of denominator.here the greatest power of x is 5 in the denominator expression and the whole expression is in power 3 so greatest power of x in denominator is 5×3 =15 .that's why we divided numerator by 15.after this all the three guys above me has solved it brilliantly so I request u to look at those solutions again.cheers!!

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\int \frac{2 x^{12} + 5 x^{9}}{(x^{5} + x^{3} + 1)^{3}} d x

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