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2016-05-01 16:05:03 -0500 commented question Unexpected Answer for an Equation

Thank you Bruno.

2016-05-01 16:04:18 -0500 commented answer Unexpected Answer for an Equation

Thank you.

2016-05-01 16:03:27 -0500 received badge  Scholar (source)
2016-04-28 15:33:08 -0500 asked a question Unexpected Answer for an Equation

Hello,

I am trying to calculate the following equation in SAGE.

N = 100.

p = 0.9.

r = (N /(N-1))*(ln(N)-ln(-ln(p))); r

Unfortunately, sage gives this answer 100/99*log(100) + 2.27309831041661 , which is not the expected answer !!

But, when I used google calculator, I got the expected answer, which is 6.92478536697

Please let me know what is going on.? Thank you.