numerical methods

Question 1

what to do if u have to show that an equation has a root at 0.65, and when u see suitbale interval

Answer 1

sub in upper bound and lower bound, there should be a sign change

Question 2

trapezium rule

Answer 2

width x (1/2 first + rest + 1/2 last)

Question 3

when does newton raphson method not work

Answer 3

• at a stationary point
• when. iteration diverges