Integral of 1/x^2

How to integrate 1/x^2

1/(1+x^2)の積分

Integral of 1/sqrt(1+x^2) (substitution + substitution)

(Method 2) Integral of 1/(1-x)^2

how Richard Feynman would integrate 1/(1+x^2)^2

Integral of 1/(x^2-1) (partial fraction decomposition)

Integral of 1/(1+x^2)^(3/2) (substitution)

1/x^2 の不定積分

基礎から学ぶ積分問題　＃9　置換積分　1/(1+x^2)の積分

Integral of 1/(4+x^2)

Integral of 1/(x^2+9) (substitution)

(Method 2) Integral of 1/(x*sqrt(x^2-1)) (substitution)

【高校数学】今週の積分#6【難易度★★★★】

x^2/(x^2+1)の積分

Integral of e^(1/x)/x^2 (substitution)

Integral of 1/(x^2-4) (partial fraction decomposition)

integral de 1 entre x^2

Integral of 1/sqrt(a^2-x^2) (substitution)

Integral of 1/(x^2+x) (partial fraction decomposition)