The convolution of x(n)={1,2,3,1} and h(n)={1,2,1,-1}, origin at 2, i

1.	The convolution of x(n)={1,2,3,1} and h(n)={1,2,1,-1}, origin at 2, is?
A.	{1,4,8,8,3,-2,-1}, origin at 4
B.	{1,4,8,8,3,-2,1}, origin at 4
C.	{1,3,8,8,3,-2,-1}, origin at 4
D.	{1,4,8,3,-2,-1}, origin at 4
Answer» B. {1,4,8,8,3,-2,1}, origin at 4

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The convolution of x(n)={1,2,3,1} and h(n)={1,2,1,-1}, origin at 2, is?

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