$$$\frac{t - 4}{\sqrt{t}}$$$의 적분

$$$\int \frac{t - 4}{\sqrt{t}}\, dt$$$을(를) 구하시오.

Expand the expression:

$${\color{red}{\int{\frac{t - 4}{\sqrt{t}} d t}}} = {\color{red}{\int{\left(\sqrt{t} - \frac{4}{\sqrt{t}}\right)d t}}}$$

각 항별로 적분하십시오:

$${\color{red}{\int{\left(\sqrt{t} - \frac{4}{\sqrt{t}}\right)d t}}} = {\color{red}{\left(- \int{\frac{4}{\sqrt{t}} d t} + \int{\sqrt{t} d t}\right)}}$$

멱법칙($$$\int t^{n}\, dt = \frac{t^{n + 1}}{n + 1}$$$ $$$\left(n \neq -1 \right)$$$)을 $$$n=\frac{1}{2}$$$에 적용합니다:

$$- \int{\frac{4}{\sqrt{t}} d t} + {\color{red}{\int{\sqrt{t} d t}}}=- \int{\frac{4}{\sqrt{t}} d t} + {\color{red}{\int{t^{\frac{1}{2}} d t}}}=- \int{\frac{4}{\sqrt{t}} d t} + {\color{red}{\frac{t^{\frac{1}{2} + 1}}{\frac{1}{2} + 1}}}=- \int{\frac{4}{\sqrt{t}} d t} + {\color{red}{\left(\frac{2 t^{\frac{3}{2}}}{3}\right)}}$$

상수배 법칙 $$$\int c f{\left(t \right)}\, dt = c \int f{\left(t \right)}\, dt$$$을 $$$c=4$$$와 $$$f{\left(t \right)} = \frac{1}{\sqrt{t}}$$$에 적용하세요:

$$\frac{2 t^{\frac{3}{2}}}{3} - {\color{red}{\int{\frac{4}{\sqrt{t}} d t}}} = \frac{2 t^{\frac{3}{2}}}{3} - {\color{red}{\left(4 \int{\frac{1}{\sqrt{t}} d t}\right)}}$$

멱법칙($$$\int t^{n}\, dt = \frac{t^{n + 1}}{n + 1}$$$ $$$\left(n \neq -1 \right)$$$)을 $$$n=- \frac{1}{2}$$$에 적용합니다:

$$\frac{2 t^{\frac{3}{2}}}{3} - 4 {\color{red}{\int{\frac{1}{\sqrt{t}} d t}}}=\frac{2 t^{\frac{3}{2}}}{3} - 4 {\color{red}{\int{t^{- \frac{1}{2}} d t}}}=\frac{2 t^{\frac{3}{2}}}{3} - 4 {\color{red}{\frac{t^{- \frac{1}{2} + 1}}{- \frac{1}{2} + 1}}}=\frac{2 t^{\frac{3}{2}}}{3} - 4 {\color{red}{\left(2 t^{\frac{1}{2}}\right)}}=\frac{2 t^{\frac{3}{2}}}{3} - 4 {\color{red}{\left(2 \sqrt{t}\right)}}$$

따라서,

$$\int{\frac{t - 4}{\sqrt{t}} d t} = \frac{2 t^{\frac{3}{2}}}{3} - 8 \sqrt{t}$$

간단히 하시오:

$$\int{\frac{t - 4}{\sqrt{t}} d t} = \frac{2 \sqrt{t} \left(t - 12\right)}{3}$$

적분 상수를 추가하세요:

$$\int{\frac{t - 4}{\sqrt{t}} d t} = \frac{2 \sqrt{t} \left(t - 12\right)}{3}+C$$

$$$\int \frac{t - 4}{\sqrt{t}}\, dt = \frac{2 \sqrt{t} \left(t - 12\right)}{3} + C$$$A