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Real Analysis Problem

The inverse cosine function has domain [-1,1]and range [0, pi]. Prove that (cos^-1)'(x) = -1/ sqrt(1-x^2). This needs to be proved from a real analysis point of view not a calculus.

Subject:

Math

Topic:

Other

Posting ID:

9539

OTA ID:

103058

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Real Analysis: Proof by induction that a polynomial of degree n>0 has at most n roots.

A polynomial of degree n>0 has at most n roots. (A root of a function is a point at which the function has value 0.) I need a proof by induction to show this.

Subject:

Math

Topic:

Other

Posting ID:

9669

OTA ID:

103300

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MacLaurin Series And Laplace Transforms : Absolute Convergence

Find MacLaurin Series for the given function f. Use the linearity of the Laplace Transform to obtain a series representation L(f)=F(s) Determine 5 values for which the series converges absolutley (and uniformly). Also show the Laplace transform exists, i.e. that it has exponential order alpha. Here are the functions. A) f(t)=cosh (bt) B) f(t)=cos (bt) C) f(t)=t sin (bt) D) f(t)=sinh (t) _______ t

Subject:

Math

Topic:

Other

Posting ID:

9688

OTA ID:

103300

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Combinations : Problem Solving With Dice

Please see the attached file for the fully formatted problems. Question1: How many dots at the outer sides of the dice. Given view is from the top of these four dice? Question2: In the newly formed shaped below do you think answer is the same or different from above? What does your intuition say without investigating? Question 3: Each member creates a problem by using dice - he or she can use as many dice as required- any type of creation will be accepted.

Subject:

Math

Topic:

Other

Posting ID:

9776

OTA ID:

103877

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Real Anaylsis - Mean Value Theorem

Define f : [ -2,2]---> R by f(x) = x^3 - 3x + 3. Find all numbers p in [-2,2] that satisfy the conclusion of the Mean Value Theorem. How do we know we have them all?

Subject:

Math

Topic:

Other

Posting ID:

9795

OTA ID:

103139

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