Line 3: Line 3:
 
Note error in question 4 book problem 4.9
 
Note error in question 4 book problem 4.9
 
it should read X=2 * sin (z/4)
 
it should read X=2 * sin (z/4)
 +
 +
Problem 1)
 +
 +
How do you solve for E(x^2) because you have to know that in order to solve for E(Y^2)?

Revision as of 16:13, 3 March 2009


Note error in question 4 book problem 4.9 it should read X=2 * sin (z/4)

Problem 1)

How do you solve for E(x^2) because you have to know that in order to solve for E(Y^2)?

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Basic linear algebra uncovers and clarifies very important geometry and algebra.

Dr. Paul Garrett