Mathematics

The value of definite integral $$\displaystyle \int _{ 0 }^{ 1/3 }{ \dfrac { ln\left( 1+3x \right)  }{ 1+{ 9x }^{ 2 } }  } dx$$ equals


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$$\dfrac { \pi }{ 8 } \ell n2$$


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Single Correct Medium Published on 17th 09, 2020
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