Question

If x(n)=(0,1,2,3,3,0,0,0) then x(2n) is?

(a) (0,2,4,6,6,0,0,0)

(b) (0,1,2,3,3,0,0,0)

(c) (0,2,3,0,0,0,0,0)

(d) None of the mentioned

I have been asked this question in my homework.

The above asked question is from Signals, Systems and Signal Processing topic in division DSP – Basic Signaling of Digital Signal Processing

Answer 1

The correct choice is (c) (0,2,3,0,0,0,0,0)

Explanation: Substitute n=0,1,2… in x(2n) and obtain the values from the given x(n).