What is the value of the expression log(x) / ln(x), where log(x) represents the logarithm of x to an arbitrary base and ln(x) represents the natural logarithm of x?
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Question: Convert the number 6.25 x 10^4 to standard form.
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Math Question: What is the derivative of ∫(2x^3 + 5x)dx, from -2 to 4, using the Fundamental Theorem of Calculus?