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Posted on: December 25th, 2013 by

Without using log tables or calculators, show that

- via Moscow math Olympiad problems

One Response to Logarithmic

  1. kevin chen had this to say about that:

    The lhs=log_pi(2)+log_pi(5)=log_pi(10)>log_pi(pi^2)=2.

    We can see that 10>pi^2 by showing that 315^2<100000 which is doable by hand.

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