Integral of Absolute Value of x: A Simple Explanation

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The integral of the absolute value of x is expressed as ∫ |x| dx = (x|x|)/2 + C. This formula applies for all real values of x. The discussion references the Wolfram Research Functions website as a source for this information. The integral effectively captures the behavior of the absolute value function across its domain. Understanding this integral is essential for solving various mathematical problems involving absolute values.
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what is the integral of absolute value of x?
 
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(|x|x)/2 should be the answer
 
Last edited:
nick727kcin said:
what is the integral of absolute value of x?

For real x, \int |x|dx = \frac{x|x|}{2}+C

this was not my work, but rather I looked it up here, on the Wolfram Reasearch Functions website, namely

http://functions.wolfram.com

--Ben
 
thanks guys
 
Question: A clock's minute hand has length 4 and its hour hand has length 3. What is the distance between the tips at the moment when it is increasing most rapidly?(Putnam Exam Question) Answer: Making assumption that both the hands moves at constant angular velocities, the answer is ## \sqrt{7} .## But don't you think this assumption is somewhat doubtful and wrong?

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