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The number of solutions of the equation `5^x+5^-x=log_(10) 25, x in R` is

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The number of solutions of the equation `5^x+5^-x=log_(10) 25, x in R` is
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LHS of the given expression, being the sum of a number and its reciprocal, is greater than or equal to 2 whereas RHS is less than 2. So, the given equation has no solution....
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