# The integral int (2x^12+5x^9 /(x^5+x^3+x)^3) dx is equal to

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The integral $$\int { 2x^{12}+5x^9\over (x^5+x^3+x)^3}$$ dx is equal to

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The correct answer is $${x^{10}\over 2(x^5+x^3+1)^2}+C$$