a. Use algebraic division to show that x + 1 is a factor of x 3
Question:
a. Use algebraic division to show that x + 1 is a factor of x3 − x2 + 2x + 4.
b. Hence, show that there is only one real root for the equation x3 − x2 + 2x + 4 = 0.
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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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