Kalkulator Integral Tentu dan Tak Wajar

Kalkulator akan mencoba mengevaluasi integral tentu (yaitu dengan batas-batas), termasuk integral tak wajar, dengan menampilkan langkah-langkahnya.

Enter a function:

Integrate with respect to:

Enter a lower limit:

If you need `-oo`, type -inf.

Enter an upper limit:

If you need `oo`, type inf.

Please write without any differentials such as `dx`, `dy` etc.

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Solution

Your input: calculate $$$\int_{0}^{2 \pi}\left( \theta \sin{\left(2 \right)} \right)d\theta$$$

First, calculate the corresponding indefinite integral: $$$\int{\theta \sin{\left(2 \right)} d \theta}=\frac{\theta^{2} \sin{\left(2 \right)}}{2}$$$ (for steps, see indefinite integral calculator)

According to the Fundamental Theorem of Calculus, $$$\int_a^b F(x) dx=f(b)-f(a)$$$, so just evaluate the integral at the endpoints, and that's the answer.

$$$\left(\frac{\theta^{2} \sin{\left(2 \right)}}{2}\right)|_{\left(\theta=2 \pi\right)}=2 \pi^{2} \sin{\left(2 \right)}$$$

$$$\left(\frac{\theta^{2} \sin{\left(2 \right)}}{2}\right)|_{\left(\theta=0\right)}=0$$$

$$$\int_{0}^{2 \pi}\left( \theta \sin{\left(2 \right)} \right)d\theta=\left(\frac{\theta^{2} \sin{\left(2 \right)}}{2}\right)|_{\left(\theta=2 \pi\right)}-\left(\frac{\theta^{2} \sin{\left(2 \right)}}{2}\right)|_{\left(\theta=0\right)}=2 \pi^{2} \sin{\left(2 \right)}$$$

Answer: $$$\int_{0}^{2 \pi}\left( \theta \sin{\left(2 \right)} \right)d\theta=2 \pi^{2} \sin{\left(2 \right)}\approx 17.948811771396$$$

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Kalkulator Integral Tentu dan Tak Wajar

Hitung integral tentu dan tak wajar langkah demi langkah

Solution