Ensiklopedi – Sekolapedia Cari Tekan Enter untuk memulai pencarian cepat. Kembali ke Ensiklopedia Arsip Wikipedia Indonesia Daftar integral dari fungsi logaritmik Daftar integral dari fungsi logaritmikBerikut daftar integral dari fungsi logaritmik. Untuk daftar integral lainnya, lihat tabel integral. Integral hanya melibatkan fungsi logaritmik (dengan asumsi x > 0 {\displaystyle x>0} , dan konstanta integrasi tidak diperlihatkankan) ∫ ln c x d x = x ln c x − x {\displaystyle \int \ln cx\;dx=x\ln cx-x} ∫ ln ( a x + b ) d x = x ln ( a x + b ) − x + b a ln ( a x + b ) {\displaystyle \int \ln(ax+b)\;dx=x\ln(ax+b)-x+{\frac {b}{a}}\ln(ax+b)} ∫ ( ln x ) 2 d x = x ( ln x ) 2 − 2 x ln x + 2 x {\displaystyle \int (\ln x)^{2}\;dx=x(\ln x)^{2}-2x\ln x+2x} ∫ ( ln c x ) n d x = x ( ln c x ) n − n ∫ ( ln c x ) n − 1 d x {\displaystyle \int (\ln cx)^{n}\;dx=x(\ln cx)^{n}-n\int (\ln cx)^{n-1}dx} ∫ d x ln x = ln | ln x | + ln x + ∑ i = 2 ∞ ( ln x ) i i ⋅ i ! {\displaystyle \int {\frac {dx}{\ln x}}=\ln |\ln x|+\ln x+\sum _{i=2}^{\infty }{\frac {(\ln x)^{i}}{i\cdot i!}}} ∫ d x ( ln x ) n = − x ( n − 1 ) ( ln x ) n − 1 + 1 n − 1 ∫ d x ( ln x ) n − 1 {\displaystyle \int {\frac {dx}{(\ln x)^{n}}}=-{\frac {x}{(n-1)(\ln x)^{n-1}}}+{\frac {1}{n-1}}\int {\frac {dx}{(\ln x)^{n-1}}}} untuk n ≠ 1 {\displaystyle n\neq 1} ∫ x m ln x d x = x m + 1 ( ln x m + 1 − 1 ( m + 1 ) 2 ) {\displaystyle \int x^{m}\ln x\;dx=x^{m+1}\left({\frac {\ln x}{m+1}}-{\frac {1}{(m+1)^{2}}}\right)} untuk m ≠ − 1 {\displaystyle m\neq -1} ∫ x m ( ln x ) n d x = x m + 1 ( ln x ) n m + 1 − n m + 1 ∫ x m ( ln x ) n − 1 d x {\displaystyle \int x^{m}(\ln x)^{n}\;dx={\frac {x^{m+1}(\ln x)^{n}}{m+1}}-{\frac {n}{m+1}}\int x^{m}(\ln x)^{n-1}dx} untuk m ≠ − 1 {\displaystyle m\neq -1} ∫ ( ln x ) n d x x = ( ln x ) n + 1 n + 1 {\displaystyle \int {\frac {(\ln x)^{n}\;dx}{x}}={\frac {(\ln x)^{n+1}}{n+1}}} untuk n ≠ − 1 {\displaystyle n\neq -1} ∫ ln x n d x x = ( ln x n ) 2 2 n {\displaystyle \int {\frac {\ln {x^{n}}\;dx}{x}}={\frac {(\ln {x^{n}})^{2}}{2n}}} untuk n ≠ 0 {\displaystyle n\neq 0} ∫ ln x d x x m = − ln x ( m − 1 ) x m − 1 − 1 ( m − 1 ) 2 x m − 1 {\displaystyle \int {\frac {\ln x\,dx}{x^{m}}}=-{\frac {\ln x}{(m-1)x^{m-1}}}-{\frac {1}{(m-1)^{2}x^{m-1}}}} untuk m ≠ 1 {\displaystyle m\neq 1} ∫ ( ln x ) n d x x m = − ( ln x ) n ( m − 1 ) x m − 1 + n m − 1 ∫ ( ln x ) n − 1 d x x m {\displaystyle \int {\frac {(\ln x)^{n}\;dx}{x^{m}}}=-{\frac {(\ln x)^{n}}{(m-1)x^{m-1}}}+{\frac {n}{m-1}}\int {\frac {(\ln x)^{n-1}dx}{x^{m}}}} untuk m ≠ 1 {\displaystyle m\neq 1} ∫ x m d x ( ln x ) n = − x m + 1 ( n − 1 ) ( ln x ) n − 1 + m + 1 n − 1 ∫ x m d x ( ln x ) n − 1 {\displaystyle \int {\frac {x^{m}\;dx}{(\ln x)^{n}}}=-{\frac {x^{m+1}}{(n-1)(\ln x)^{n-1}}}+{\frac {m+1}{n-1}}\int {\frac {x^{m}dx}{(\ln x)^{n-1}}}} untuk n ≠ 1 {\displaystyle n\neq 1} ∫ d x x ln x = ln | ln x | {\displaystyle \int {\frac {dx}{x\ln x}}=\ln \left|\ln x\right|} ∫ d x x n ln x = ln | ln x | + ∑ i = 1 ∞ ( − 1 ) i ( n − 1 ) i ( ln x ) i i ⋅ i ! {\displaystyle \int {\frac {dx}{x^{n}\ln x}}=\ln \left|\ln x\right|+\sum _{i=1}^{\infty }(-1)^{i}{\frac {(n-1)^{i}(\ln x)^{i}}{i\cdot i!}}} ∫ d x x ( ln x ) n = − 1 ( n − 1 ) ( ln x ) n − 1 {\displaystyle \int {\frac {dx}{x(\ln x)^{n}}}=-{\frac {1}{(n-1)(\ln x)^{n-1}}}} untuk n ≠ 1 {\displaystyle n\neq 1} ∫ ln ( x 2 + a 2 ) d x = x ln ( x 2 + a 2 ) − 2 x + 2 a tan − 1 x a {\displaystyle \int \ln(x^{2}+a^{2})\;dx=x\ln(x^{2}+a^{2})-2x+2a\tan ^{-1}{\frac {x}{a}}} ∫ x x 2 + a 2 ln ( x 2 + a 2 ) d x = 1 4 ln 2 ( x 2 + a 2 ) {\displaystyle \int {\frac {x}{x^{2}+a^{2}}}\ln(x^{2}+a^{2})\;dx={\frac {1}{4}}\ln ^{2}(x^{2}+a^{2})} ∫ sin ( ln x ) d x = x 2 ( sin ( ln x ) − cos ( ln x ) ) {\displaystyle \int \sin(\ln x)\;dx={\frac {x}{2}}(\sin(\ln x)-\cos(\ln x))} ∫ cos ( ln x ) d x = x 2 ( sin ( ln x ) + cos ( ln x ) ) {\displaystyle \int \cos(\ln x)\;dx={\frac {x}{2}}(\sin(\ln x)+\cos(\ln x))} ∫ e x ( x ln x − x − 1 x ) d x = e x ( x ln x − x − ln x ) {\displaystyle \int e^{x}\left(x\ln x-x-{\frac {1}{x}}\right)\;dx=e^{x}(x\ln x-x-\ln x)} ∫ 1 e x ( 1 x − ln x ) d x = ln x e x {\displaystyle \int {\frac {1}{e^{x}}}\left({\frac {1}{x}}-\ln x\right)\;dx={\frac {\ln x}{e^{x}}}} ∫ e x ( 1 ln x − 1 x ln 2 x ) d x = e x ln x {\displaystyle \int e^{x}\left({\frac {1}{\ln x}}-{\frac {1}{x\ln ^{2}x}}\right)\;dx={\frac {e^{x}}{\ln x}}} Integral yang melibatkan fungsi logaritmik dan pangkat (dengan asumsi x > 0 {\displaystyle x>0} , dan konstanta integrasi tidak diperlihatkankan) ∫ x m ln x d x = x m + 1 ( ln x m + 1 − 1 ( m + 1 ) 2 ) {\displaystyle \int x^{m}\ln x\,dx=x^{m+1}\left({\frac {\ln x}{m+1}}-{\frac {1}{(m+1)^{2}}}\right)} untuk m ≠ − 1 {\displaystyle m\neq -1} ∫ x m ( ln x ) n d x = x m + 1 ( ln x ) n m + 1 − n m + 1 ∫ x m ( ln x ) n − 1 d x {\displaystyle \int x^{m}(\ln x)^{n}\,dx={\frac {x^{m+1}(\ln x)^{n}}{m+1}}-{\frac {n}{m+1}}\int x^{m}(\ln x)^{n-1}dx} untuk untuk m ≠ − 1 {\displaystyle m\neq -1} ∫ ( ln x ) n d x x = ( ln x ) n + 1 n + 1 {\displaystyle \int {\frac {(\ln x)^{n}\,dx}{x}}={\frac {(\ln x)^{n+1}}{n+1}}} untuk n ≠ − 1 {\displaystyle n\neq -1} ∫ ln x d x x m = − ln x ( m − 1 ) x m − 1 − 1 ( m − 1 ) 2 x m − 1 {\displaystyle \int {\frac {\ln x\,dx}{x^{m}}}=-{\frac {\ln x}{(m-1)x^{m-1}}}-{\frac {1}{(m-1)^{2}x^{m-1}}}} untuk m ≠ 1 {\displaystyle m\neq 1} ∫ ( ln x ) n d x x m = − ( ln x ) n ( m − 1 ) x m − 1 + n m − 1 ∫ ( ln x ) n − 1 d x x m {\displaystyle \int {\frac {(\ln x)^{n}\,dx}{x^{m}}}=-{\frac {(\ln x)^{n}}{(m-1)x^{m-1}}}+{\frac {n}{m-1}}\int {\frac {(\ln x)^{n-1}dx}{x^{m}}}} untuk m ≠ 1 {\displaystyle m\neq 1} ∫ x m d x ( ln x ) n = − x m + 1 ( n − 1 ) ( ln x ) n − 1 + m + 1 n − 1 ∫ x m d x ( ln x ) n − 1 {\displaystyle \int {\frac {x^{m}\,dx}{(\ln x)^{n}}}=-{\frac {x^{m+1}}{(n-1)(\ln x)^{n-1}}}+{\frac {m+1}{n-1}}\int {\frac {x^{m}dx}{(\ln x)^{n-1}}}} untuk n ≠ 1 {\displaystyle n\neq 1} ∫ d x x ln x = ln | ln x | {\displaystyle \int {\frac {dx}{x\ln x}}=\ln \left|\ln x\right|} ∫ d x x ln x ln ln x = ln | ln | ln x | | {\displaystyle \int {\frac {dx}{x\ln x\ln \ln x}}=\ln \left|\ln \left|\ln x\right|\right|} , dst. ∫ d x x ln ln x = li ( ln x ) {\displaystyle \int {\frac {dx}{x\ln \ln x}}=\operatorname {li} (\ln x)} ∫ d x x n ln x = ln | ln x | + ∑ k = 1 ∞ ( − 1 ) k ( n − 1 ) k ( ln x ) k k ⋅ k ! {\displaystyle \int {\frac {dx}{x^{n}\ln x}}=\ln \left|\ln x\right|+\sum _{k=1}^{\infty }(-1)^{k}{\frac {(n-1)^{k}(\ln x)^{k}}{k\cdot k!}}} ∫ d x x ( ln x ) n = − 1 ( n − 1 ) ( ln x ) n − 1 {\displaystyle \int {\frac {dx}{x(\ln x)^{n}}}=-{\frac {1}{(n-1)(\ln x)^{n-1}}}} untuk n ≠ − 1 {\displaystyle n\neq -1} ∫ ln ( x 2 + a 2 ) d x = x ln ( x 2 + a 2 ) − 2 x + 2 a tan − 1 x a {\displaystyle \int \ln(x^{2}+a^{2})\,dx=x\ln(x^{2}+a^{2})-2x+2a\tan ^{-1}{\frac {x}{a}}} ∫ x x 2 + a 2 ln ( x 2 + a 2 ) d x = 1 4 ln 2 ( x 2 + a 2 ) {\displaystyle \int {\frac {x}{x^{2}+a^{2}}}\ln(x^{2}+a^{2})\,dx={\frac {1}{4}}\ln ^{2}(x^{2}+a^{2})} Integral yang melibatkan fungsi logaritmik dan trigonometri (dengan asumsi x > 0 {\displaystyle x>0} , dan konstanta integrasi tidak diperlihatkankan) ∫ sin ( ln x ) d x = x 2 ( sin ( ln x ) − cos ( ln x ) ) {\displaystyle \int \sin(\ln x)\,dx={\frac {x}{2}}(\sin(\ln x)-\cos(\ln x))} ∫ cos ( ln x ) d x = x 2 ( sin ( ln x ) + cos ( ln x ) ) {\displaystyle \int \cos(\ln x)\,dx={\frac {x}{2}}(\sin(\ln x)+\cos(\ln x))} Integral yang melibatkan fungsi logaritmik dan eksponensial (dengan asumsi x > 0 {\displaystyle x>0} , dan konstanta integrasi tidak diperlihatkankan) ∫ e x ( x ln x − x − 1 x ) d x = e x ( x ln x − x − ln x ) {\displaystyle \int e^{x}\left(x\ln x-x-{\frac {1}{x}}\right)\,dx=e^{x}(x\ln x-x-\ln x)} ∫ 1 e x ( 1 x − ln x ) d x = ln x e x {\displaystyle \int {\frac {1}{e^{x}}}\left({\frac {1}{x}}-\ln x\right)\,dx={\frac {\ln x}{e^{x}}}} ∫ e x ( 1 ln x − 1 x ( ln x ) 2 ) d x = e x ln x {\displaystyle \int e^{x}\left({\frac {1}{\ln x}}-{\frac {1}{x(\ln x)^{2}}}\right)\,dx={\frac {e^{x}}{\ln x}}} Pustaka (Inggris) Milton Abramowitz and Irene A. Stegun, Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables, 1964. A few integrals are listed on page 69 dalam buku klasik ini. lbsDaftar integralFungsi rasional • Fungsi irrasional • Fungsi trigonometri • Invers trigonometri • Fungsi hiperbolik • Invers hiperbolik • Fungsi eksponensial • Fungsi logaritmik