Multiple choice

A system with input x [n] and output y [n] is given as y [n] = $\left( sin\dfrac{5}{6} \pi n \right)$x (n). The system is

  1. linear, stable and invertible

  2. non-linear, stable and non-invertible

  3. linear, stable and non-invertible

  4. linear, unstable and invertible

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation