?? - 2014 q6
6.
Figure 2 shows a sketch of part of the curve with equation
The curve crosses the x-axis at the point Q and has a minimum turning point at R.
(a) Show that the x coordinate of Q lies between 2.1 and 2.2 (2)
(b) Show that the x coordinate of R is a solution of the equation
(a) Show that the x coordinate of Q lies between 2.1 and 2.2 (2)
(b) Show that the x coordinate of R is a solution of the equation
(4)
Using the iterative formula
Using the iterative formula
(c) find the values of x1 and x2 to 3 decimal places (2)