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Q15: Answers – Paper 3 – November 2017
Q15: Answers – Paper 3 – November 2017
Mark Scheme
Working
a) Show that the equation
a) Show that the equation
has a solution between x = 0 and x = 1
b) Show that the equation
can be rearranged to give
c) Starting with x0 = 1, use the iteration formula
three times to find an estimate for the solution of
d) By substituting your answer to part (c) into
comment on the accuracy of your estimate for the solution to
Question
has a solution between x = 0 and x = 1
[2 marks]
b) Show that the equation
can be rearranged to give
[2 marks]
c) Starting with x0 = 1, use the iteration formula
three times to find an estimate for the solution of
[3 marks]
d) By substituting your answer to part (c) into
comment on the accuracy of your estimate for the solution to
[2 marks]