x + a is a factor of x 3 + 8x 2 + 4ax 3a. a.
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x + a is a factor of x3 + 8x2 + 4ax – 3a.
a. Show that a3 – 4a2 + 3a = 0.
b. Find the possible values of a.
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Related Book For
Cambridge IGCSE And O Level Additional Mathematics Coursebook
ISBN: 9781108411660
2nd Edition
Authors: Sue Pemberton
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