Prove 5 and 6

(V (t)), Apust D1352(s V 5- Compute the displacement 4.-'0.2 , V(t)), A A (V(s)), Vp62, (V9)). V p+0,27 ' (V(t)) for Vandermonde matrices V(s) = (s?)", and V(C) = (t')., t. +0 for all i. Indicate in which case r-1. 6- Compute the displacement 4....(C), where s + 0 for all i, and p!(s).D(0) 1 a A D().D-16 (C), where t = 0 for all j for a Cauchy matrix C = s-t,).1-0 Indicate in which case F1 (V (t)), Apust D1352(s V 5- Compute the displacement 4.-'0.2 , V(t)), A A (V(s)), Vp62, (V9)). V p+0,27 ' (V(t)) for Vandermonde matrices V(s) = (s?)", and V(C) = (t')., t. +0 for all i. Indicate in which case r-1. 6- Compute the displacement 4....(C), where s + 0 for all i, and p!(s).D(0) 1 a A D().D-16 (C), where t = 0 for all j for a Cauchy matrix C = s-t,).1-0 Indicate in which case F1