関連ワード:  antiderivative of 1/(x^2+49)    what is the antiderivative of 1/x^2    what is the antiderivative of 1/x^4    what is the antiderivative of 1/(1+x^2)    antiderivative of 1/(x^2+4)  
結果 : antiderivative of 1/(x^2+49)