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 May 20th, 2015, 10:52 PM #1 Senior Member   Joined: Jul 2011 Posts: 405 Thanks: 16 Exponential equation (1) Total no. of real solution of $\displaystyle 2^x+3^x+4^x = x^2$ (2) Total no. of real solution of $\displaystyle 3^x+4^x+5^x = 1+x^2$

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