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Find the indefinite integral of the function

f(x)=((4×x32)×(2x+x2)) 

 Mar 6, 2015

Best Answer 

 #2
avatar+118706 
+5

f(x)=((4×x32)×(2x+x2))

 

((4x0.51.5)(2x1+x2))dx=((4x0.5)(2x1+x2)1.5(2x1+x2))dx=(8x0.5+4x2.53x11.5x2)dxetc

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 Mar 6, 2015
 #1
avatar+26397 
+5

Find the indefinite integral of the function f(x)=(4sqrt(x)-3/2)(2/x+x^2)

\\ \small{\text{ $f(x)= \left(4\sqrt{x}-\frac{3}{2}\right)\cdot \left(\frac{2}{x}+x^2\right)  $}}\\\\ \small{\text{ $f(x)=4\sqrt{x} \cdot \frac{2}{x} + 4\sqrt{x} \cdot x^2 - \frac{3}{2} \cdot \frac{2}{x} - \frac{3}{2} \cdot x^2 $}}\\\\ \small{\text{ $f(x)=8 x^{\frac{1}{2}} \cdot x^{-1} + 4 x^{\frac{1}{2}} \cdot x^2 - 3 \cdot x^{-1} - \frac{3}{2} \cdot x^2 $}}\\\\ \boxed{ \small{\text{ $f(x)=8 x^{-\frac{1}{2}} + 4 x^{\frac{5}{2}} - 3 x^{-1} - \frac{3}{2} \cdot x^2 $}}}\\\\ \int{(8 x^{-\frac{1}{2}} + 4 x^{\frac{5}{2}} - 3 x^{-1} - \frac{3}{2} \cdot x^2 )}\ dx \\\\ \small{\text{ $ = 8\int{(x^{-\frac{1}{2}} ) }\ dx + 4\int{( x^{\frac{5}{2}} ) }\ dx -  3\int{( x^{-1} ) }\ dx - \frac{3}{2} \int{(x^2 ) }\ dx $ }}\\ \boxed{\int{(x^{-\frac{1}{2}} ) }\ dx = 2\sqrt{x} +c \qquad  \int{(x^{ \frac{5}{2}} ) }\ dx = \frac{2}{7}x^3\sqrt{x} +c } \\ \boxed{\int{(x^{-1}) }\ dx = \ln{(x)} +c \qquad  \int{(x^{2}) }\ dx = \frac{x^3}{3} +c } \\\\\\ \small{\text{ $ \int{(8 x^{-\frac{1}{2}} + 4 x^{\frac{5}{2}} - 3 x^{-1} - \frac{3}{2} \cdot x^2 )}\ dx  =16\sqrt{x}  + \frac{8}{7}x^3\sqrt{x}  -3\ln{(x)}  -\frac{x^3}{2} +c $ }}

 Mar 6, 2015
 #2
avatar+118706 
+5
Best Answer

f(x)=((4×x32)×(2x+x2))

 

((4x0.51.5)(2x1+x2))dx=((4x0.5)(2x1+x2)1.5(2x1+x2))dx=(8x0.5+4x2.53x11.5x2)dxetc

Melody Mar 6, 2015

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