December 2018 1 15 Report
Tentang kurva please tolong bantuan yaaa
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whongaliem
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4)   L =  \int\limits^2_0 {5x + 4} \, dx
              =  \frac{5}{2}  x^{2}  \left \ + 4x { {2} \atop {0}} \right.
              ( \frac{5}{2} . 2^{2} ) + 4 . 2 -  (\frac{5}{2} .  0^{2} )
              = 10 + 8
              = 18 satuan luas

5)   y = x³
      x = ∛y
      
      
      V =  \pi . \int\limits^2_0 { \sqrt[3]{y} } \, dy
                 
          \pi { \frac{3}{4} . x^{ \frac{4}{3} }  \left \{ {{2} \atop {0}} \right.
         
         =  \pi  . \frac{3}{4} . 2^{ \frac{4}{3} }
         
         =  \frac{3}{4} .2  \sqrt[3]{2}  \pi
         
          \frac{3}{2}  \sqrt[3]{2}  \pi

       


       sketsa disediakan di bawah ini








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