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Telescoping Sum Of Fractions

Algebra Level 2

Evaluate

\[ \frac{ 1}{ 2(n-1) \times n } - \frac{ 1} { 2 n \times (n+1) }. \]

\[ \frac{ 2n-1 } { (n-1) \times n \times (n+1) } \] \[ \frac{ 1}{n} \] \[ \frac{ 1} { (n-1) \times n \times (n+1) } \] \[ \frac{ 1} { (n-1) \times (n+1) } \]

Excel in math and science

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by Calvin Lin

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