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Shoelace Thm.
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Homework Statement
How can I show that [itex] \frac{x}{e^x-1} [/itex] is real analytic in a neighborhood of zero, excluding zero?
Shoelace Thm. said:Homework Statement
How can I show that [itex] \frac{x}{e^x-1} [/itex] is real analytic in a neighborhood of zero, excluding zero?
Homework Equations
The Attempt at a Solution
Shoelace Thm. said:How do I prove that if f(x) and g(x) are real analytic, then f(x)/g(x) is real analytic where g(0)≠0?
Really ?Shoelace Thm. said:Well no, and I can't even find any mention of it online.
A quotient of real analytic functions is a mathematical expression obtained by dividing one real analytic function by another. Real analytic functions are functions that can be represented by a power series and have a radius of convergence that is greater than zero.
The domain of a quotient of real analytic functions is the intersection of the domains of the two functions being divided. This is because the quotient function is undefined at any point where the denominator is equal to zero.
Yes, a quotient of real analytic functions can have a singularity at any point where the denominator is equal to zero. This is because the function is undefined at these points and cannot be represented by a power series.
To find the derivative of a quotient of real analytic functions, you can use the quotient rule from calculus. This states that the derivative of a quotient is equal to the denominator times the derivative of the numerator minus the numerator times the derivative of the denominator, all divided by the square of the denominator.
Quotients of real analytic functions are important in mathematics because they allow us to study the behavior of functions and their derivatives. They also have applications in areas such as complex analysis, differential equations, and physics.