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a) Show that the equation x³ + 6x-5= 0 has a solution between x = 0 and x = 1
+
5
b) Show that the equation x³ + 6x-5 = 0 can be arranged to give x =
by filling in the boxes. x + 6x-5=0
X² +6
x³ + 6x =
(x² + 6) =
5
X² +6
c) Starting with x, = 0, use the iteration formula X., =
X=
5
x2+6
to find an estimate for the solution of x³ + 6x-5=0
Write down all the figures on your calculator display.
twice