You can estimate the value of the reciprocal of a number a without ever dividing by a
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You can estimate the value of the reciprocal of a number a without ever dividing by a if you apply Newton’s method to the function ƒ(x) = (1/x) - a. For example, if a = 3, the function involved is ƒ(x) = (1/x) - 3.
a. Graph y = (1/x) - 3. Where does the graph cross the x-axis?
b. Show that the recursion formula in this case is
so there is no need for division.
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Related Book For
Thomas Calculus Early Transcendentals
ISBN: 9780321884077
13th Edition
Authors: Joel R Hass, Christopher E Heil, Maurice D Weir
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