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# ansT5 - Answer of Tutorial 5 Q1(a(b(c 1 1 s s 3 1 e 5 s s s...

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Answer of Tutorial 5 Q1. (a) 3 1 1 + s s (b) s e s 5 1 (c) () 2 2 50 π + s s Q2. There is no such number in the question paper Q3. (a) ( ) ( ) t u t e t e t t ) 2 sin( 2 ) 2 cos( 4 4 + (b) ()( ) t u t e e t t + + 2 sin 2 1 2 5 3 2 (c) () ( ) t u t t t ) 2 sin( ) 2 cos( 1 5 . 0 Q4. (a) () 2 2 1 8 6 6 s e s s s s Y + + + = [Using the property of delay and time scaling] (b) () () 2 2 2 2 2 3 7 6 + + + + = s s s s s Y [Given: ( ) () ( ) [] t x t ds s X d n n n n L 1 = ] (c) () 12 7 5 2 3 + + + = s s s s Y [Using the property of s-shift] (d) () () ( ) () ( ) 1 3 2 2 3 3 2 3 2 2 4 + + + + + + = s s s s s s s Y [Using the property of time scaling and convolution] (e) () () ( ) () 2 3 1 3 3 2 5 + + + + = s s s s s s Y [Using the property of differentiation] (f) () () 2 9 9 1 18 8 6 6 2 2 6 + + + + + + + = s s s s s s s Y [Using the property of time scaling] (g) () () () () () + + + + + + + + +

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ansT5 - Answer of Tutorial 5 Q1(a(b(c 1 1 s s 3 1 e 5 s s s...

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