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Tablica całek i pochodnych

Math universitymaths

Streszczenie wzorów do całek i pochodnych.

Tablice wzorów przydatnych przy rozwiązywaniu całek i pochodnych.

∫xn dx=xn+1n+1+C\int x^n\,dx = \frac{x^{n + 1}}{n + 1} + C

Tabela pochodnych

nFunkcjaPochodna
1f(x)=Cf(x) = Cf′(x)=0f^\prime(x) = 0
2f(x)=xnf(x) = x^nf′(x)=nxn−1f^\prime(x) = n x^{n - 1}
3f(x)=xf(x) = xf′(x)=1f^\prime(x) = 1
4f(x)=1xf(x) = \frac{1}{x}f′(x)=−1x2f^\prime(x) = -\frac{1}{x^2}
5f(x)=xf(x) = \sqrt{x}f′(x)=12xf^\prime(x) = \frac{1}{2\sqrt{x}}
6f(x)=exf(x) = e^xf′(x)=exf^\prime(x) = e^x
7f(x)=ln⁡xf(x) = \ln xf′(x)=1xf^\prime(x) = \frac{1}{x}
8f(x)=sin⁡xf(x) = \sin xf′(x)=cos⁡xf^\prime(x) = \cos x
9f(x)=cos⁡xf(x) = \cos xf′(x)=−sin⁡xf^\prime(x) = -\sin x
10f(x)=tan⁡xf(x) = \tan xf′(x)=1cos⁡2xf^\prime(x) = \frac{1}{\cos^2 x}

Wzory na pochodne

  • D(cf(x))=cD(f(x))D(c f(x)) = c D(f(x))
  • D(f(x)±g(x))=D(f(x))±D(g(x))D(f(x) \pm g(x)) = D(f(x)) \pm D(g(x))
  • D(f(x)g(x))=D(f(x))g(x)+D(g(x))f(x)D(f(x)g(x)) = D(f(x))g(x) + D(g(x))f(x)
  • D(f(x)g(x))=D(f(x))g(x)−D(g(x))f(x)g(x)2D\left(\frac{f(x)}{g(x)}\right) = \frac{D(f(x))g(x) - D(g(x))f(x)}{g(x)^2}

Tabela całek

nCałkaWartość
1∫dx\int dxx+Cx + C
2∫a dx\int a\,dxax+Cax + C
3∫xn dx\int x^n\,dxxn+1n+1+C\frac{x^{n + 1}}{n + 1} + C
4∫dxx\int \frac{dx}{x}ln⁡∣x∣+C\ln\lvert x\rvert + C
5∫ex dx\int e^x\,dxex+Ce^x + C
6∫sin⁡x dx\int \sin x\,dx−cos⁡x+C-\cos x + C
7∫cos⁡x dx\int \cos x\,dxsin⁡x+C\sin x + C
8∫dxx2+a2\int \frac{dx}{x^2 + a^2}1aarctan⁡xa+C\frac{1}{a}\arctan\frac{x}{a} + C

Podstawienie uniwersalne

Dla ∫F(sin⁡x,cos⁡x) dx\int F(\sin x, \cos x)\,dx:

  • t=tan⁡x2t = \tan\frac{x}{2}
  • sin⁡x=2t1+t2\sin x = \frac{2t}{1 + t^2}
  • cos⁡x=1−t21+t2\cos x = \frac{1 - t^2}{1 + t^2}
  • dx=2 dt1+t2dx = \frac{2\,dt}{1 + t^2}

Dla ∫F(sin⁡2x,cos⁡2x,sin⁡xcos⁡x) dx\int F(\sin^2 x, \cos^2 x, \sin x \cos x)\,dx:

  • t=tan⁡xt = \tan x
  • sin⁡2x=t2t2+1\sin^2 x = \frac{t^2}{t^2 + 1}
  • cos⁡2x=1t2+1\cos^2 x = \frac{1}{t^2 + 1}
  • sin⁡xcos⁡x=tt2+1\sin x \cos x = \frac{t}{t^2 + 1}
  • dx=dtt2+1dx = \frac{dt}{t^2 + 1}