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\frac { 1 } { \sqrt { 2 } + 1 } + \frac { 1 } { \sqrt { 3 } + \sqrt { 2 } } + \frac { 1 } { \sqrt { 4 } + \sqrt { 3 } } + \ldots + \frac { 1 } { \sqrt { n } + \sqrt { n - 1 } } |
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Answer» how to calculate √n-√n-1 I have rationalized each term +√n+√n-1 how to cancelled this plx show the solution |
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