What's the integral of u''(x)/u'(x)?

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In summary, the integral of u''(x)/u'(x) can be solved using u substitution, where v = u'(x) and a new integral can be made in terms of v. The pronunciation of u''(x) is usually "u double prime".
  • #1
kasse
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What's the integral of u''(x)/u'(x)?
 
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  • #2
you need to do u substitution
 
  • #3
kasse said:
What's the integral of u''(x)/u'(x)?

If you were to call v = u'(x), what would u''(x) be? You can make a new integral in terms of v. If the result tells you what v is, you can now substitute back to find an expression in terms of u.
 
  • #4
Of course, thank you!
 
  • #5
Btw, how is u'' to be pronounced?

u prime prime? u double prime?
 
  • #6
kasse said:
Btw, how is u'' to be pronounced?

u prime prime? u double prime?

"u double prime" is typical.
 

1. What is the meaning of the integral of u''(x)/u'(x)?

The integral of u''(x)/u'(x) represents the antiderivative of the quotient of the second derivative of a function u(x) and its first derivative. In other words, it is a mathematical operation that reverses the process of taking the derivative and helps find the original function.

2. How is the integral of u''(x)/u'(x) calculated?

The integral of u''(x)/u'(x) can be calculated using various techniques such as integration by parts, substitution, or partial fractions. The specific method used depends on the complexity of the function and the desired outcome.

3. Can the integral of u''(x)/u'(x) be simplified?

Yes, the integral of u''(x)/u'(x) can often be simplified using algebraic manipulation or trigonometric identities. However, in some cases, the integral may not have a simple closed-form solution and may need to be expressed as a series or using special functions.

4. What is the relationship between the integral of u''(x)/u'(x) and the original function u(x)?

The integral of u''(x)/u'(x) represents all possible functions whose derivative is u'(x). Therefore, the integral is not a single function but a family of functions that differ by a constant. The original function u(x) is one of the members of this family.

5. What are the practical applications of the integral of u''(x)/u'(x)?

The integral of u''(x)/u'(x) is used extensively in physics, engineering, and other scientific fields to solve various problems involving rates of change, motion, and optimization. It is also used in economics and finance to model and analyze various processes.

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