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Monthly Archives for October, 2014

Find the product

Posted on: October 13th, 2014 by

What is (1-1/4)(1-1/9)(1-1/16)....(1-1/n^2)? - via Mind your decision

Range finder

Posted on: October 12th, 2014 by

Let f(x) = \frac{x^2+x+1}{x^2+x+2}. Show that for real x, 3/7\le f(x) \le 1.

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