Unformatted text preview: 3. The power of x ( t ) is 4 2 4 2 1 ) ( 1 2 2 2 = = = â« â« t dt dt t x T T 4. The energy of x [ n ] is equal to 1 + 4 + 4 = 9. 5. Let ) ( ) ( ) ( 2 1 t x t x t x = . If x 1 ( t ) and x 2 ( t ) are both even, then ) ( ) ( ) ( ) ( ) ( ) ( 2 1 2 1 t x t x t x t x t x t x = = â â = â , and x ( t ) is even....
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 Spring '09
 SungChiWan
 Multiplication, smallest integer

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