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Evaluate \(\frac{1}{\sqrt{4}+\sqrt{7}}+\frac{1}{\sqrt{7}+\sqrt{10}}+\cdots+\frac{1}{\sqrt{397}+\sqrt{400}}\)

 Aug 9, 2020
 #1
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sumfor(n, 1, 132, (1/(2#(3*n+1)+2#(3*n+4)) = It converges to 6

 Aug 9, 2020
 #2
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Can be done as follows:

 

 Aug 9, 2020

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