You are given that the equation x 3 + ax 2 + bx + c = 0
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You are given that the equation x3 + ax2 + bx + c = 0 has three real roots and that these roots are consecutive terms in an arithmetic progression. Show that 2a3 + 27c = 9ab.
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Let x1 x2 and x3 be the three real roots of the equation We ...View the full answer
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Related Book For
Cambridge International AS & A Level Mathematics Pure Mathematics 2 & 3 Coursebook
ISBN: 9781108407199
1st Edition
Authors: Sue Pemberton, Julianne Hughes, Julian Gilbey
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