I have problems figuring out what was done here:

How does the left side follow?

I can see the lograithm really doesnt play an important role here, so the actual question is how

tahnk you

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- Apr 20th 2010, 02:01 PMmabrukaAlgebra question
I have problems figuring out what was done here:

How does the left side follow?

I can see the lograithm really doesnt play an important role here, so the actual question is how

tahnk you - Apr 20th 2010, 03:13 PMDeadstar
Were there any conditions on p and q? Cos that relationship doesn't hold...

Simple example. Let , .

But

- Apr 20th 2010, 03:38 PMSoroban
Hello, mabruka!

I agree with deadstar . . . something is missing.

Perhaps these are probabilities? .

Quote:

How does the right side follow?

The left side is: .

. . . . . . . . . . .[1]

If , then: .

Substitute into [1]: .

- Apr 20th 2010, 04:13 PMmabruka
YES!! I totally forgot about that little detail when i was verifying it.

They are complementary probabilities, so their sum is 1!

Thank you both :)!