Google Answers: Communication and signals

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Q: Communication and signals ( No Answer, 1 Comment )

Question

Subject: Communication and signals
Category: Science > Physics
Asked by: gautam8128-ga
List Price: $2.00

Posted: 01 Jul 2006 14:45 PDT
Expires: 03 Jul 2006 12:20 PDT
Question ID: 742657

Considering two periodic functions f1(t) and f2(t), with periods T1
and T2, respectively.
Is it always the case that the function f(t) = f1(t) + f2(t) is periodic? 
Demonstrate.
If not, under what conditions is f(t) periodic? Discuss.

Answer

There is no answer at this time.

Comments

Subject: Re: Communication and signals
From: kottekoe-ga on 01 Jul 2006 21:22 PDT

Of course not.

I won't do your homework problem for you, but here is a hint. Think
about the definition of an irrational number.

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