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∫
x
3
−
2
x
x
d
x
\int \frac{x^{3}-2 \sqrt{x}}{x} d x
∫
x
x
3
−
2
x
d
x
=
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Math Problems
Calculus
Find indefinite integrals using the substitution and by parts
Full solution
Q.
∫
x
3
−
2
x
x
d
x
\int \frac{x^{3}-2 \sqrt{x}}{x} d x
∫
x
x
3
−
2
x
d
x
=
Split Fraction:
Simplify the integral by splitting the
fraction
.
\newline
∫
x
3
−
2
x
x
d
x
=
∫
(
x
2
−
2
x
−
1
/
2
)
d
x
\int \frac{x^3 - 2\sqrt{x}}{x} \, dx = \int \left(x^2 - 2x^{-1/2}\right) \, dx
∫
x
x
3
−
2
x
d
x
=
∫
(
x
2
−
2
x
−
1/2
)
d
x
Integrate Terms:
Integrate each term separately.
\newline
∫
x
2
d
x
=
x
3
3
\int x^2 \, dx = \frac{x^3}{3}
∫
x
2
d
x
=
3
x
3
\newline
∫
−
2
x
−
1
/
2
d
x
=
−
2
⋅
x
1
/
2
1
/
2
=
−
4
x
1
/
2
\int -2x^{-1/2} \, dx = -2 \cdot \frac{x^{1/2}}{1/2} = -4x^{1/2}
∫
−
2
x
−
1/2
d
x
=
−
2
⋅
1/2
x
1/2
=
−
4
x
1/2
Combine and Add Constant:
Combine the integrated terms and add the constant of integration.
\newline
x
3
3
−
4
x
1
/
2
+
C
\frac{x^3}{3} - 4x^{1/2} + C
3
x
3
−
4
x
1/2
+
C
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\newline
∫
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−
2
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∫
−
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x
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(
−
2
x
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d
x
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