1 gauchospace.ucsb.edu (b) the nodes x,-cos(í””), j 0 , n for n = 4, 8. 12, and 100 2 of 2 Repeat...

Please help me with questions 5 and 6. 1 gauchospace.ucsb.edu (b) the nodes x,-cos(í””), j 0 , n for n = 4, 8. 12, and 100 2 of 2 Repeat (a) for f(x)25 for -1, 1) and comment on the result. 5. Let f(x) C2[a,b] and f(a) = f( b)=0. Prove that 6. Prove the formula: TI TL

1 gauchospace.ucsb.edu (b) the nodes x,-cos(í””), j 0 , n for n = 4, 8. 12, and 100 2 of 2 Repeat (a) for f(x)25 for -1, 1) and comment on the result. 5. Let f(x) C2[a,b] and f(a) = f( b)=0. Prove that 6. Prove the formula: TI TL