Figure P8.17 shows two finite-length sequences x1[n] and x2[n].What is the smallest N su...

Figure P8.17 shows two finite-length sequences x₁[n] and x₂[n].What is the smallest N such that the N-point circular convolution of x₁[n] and x₂[n] are equal to the linear convolution of these sequences, i.e., such that x₁[n] x₂[n] = x₁[n] ∗ x₂[n]?