【積分】不定積分　∫(2/(1-x^2))dx

基礎から学ぶ積分問題　＃9　置換積分　1/(1+x^2)の積分

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

基礎から学ぶ積分問題　＃10　置換積分 1/(1-x^2)の積分

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

【高校　数学Ⅲ】　積分法２　１／ｘの不定積分　（１８分）

Integral of 1/(4+x^2)

Integral of 1/x^2

(-x+2)/(x² - x + 1) の積分の究極のトリック 😧

How to integrate 1/x^2

Integral of (5*x^3)/(x^2 + 1)

Integral Practice #21: integral of (1/(x^(2))(sqrt(x^(2)+4)))dx (trigonometric substitution)

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

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

Integrate 1/(1+x^3)

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

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

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

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

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