a. Use algebraic division to show that x 2 is a factor of 2x 3 +
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a. Use algebraic division to show that x − 2 is a factor of 2x3 + 7x2 − 43x + 42.
b. Hence, factorise 2x3 + 7x2 − 43x + 42 completely.
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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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