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a number that, when raised to the x power, is the derivative and antiderivative of itself. d(e^x)/dx = e^x, sucka. ?(e^x)dx = e^x + C. Holla at calculus, biotch. e can be represented by the infinite series 1+1/1!+1/2!+1/3!+1/4!..... e is the base for natural logarithms. the e root of e has a higher value than any number in the form of "n root of n." (approximately 1.44467) e to the square root of negative pi (an imaginary number) amazingly equals -1, a real number. To the 9th decimal place is 2.718281828.
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