The following two signals are input to an analog to digital converter.  x1(t)=3.42cos⁡(5t) x2(t)=1.69cos⁡(10t) Consider an A/D converter having 5-bits and a full-scale amplitude range of 19. Let x1[n] denote the digital signal converted from x1(t) and x2[n] denote the digital signal converted from x2(t). Which digital signal will contain less quantization noise?

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