The polynomial 6x 3 23x 2 38x + 15 is denoted by f(x). a. Show
Question:
The polynomial 6x3 − 23x2 − 38x + 15 is denoted by f(x).
a. Show that (x − 5) is a factor of f(x) and hence factorise f(x) completely.
b. Write down the roots of f (|x|) = 0.
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a To show that x5 is a factor of fx we need to verify if f5 0 f5 653 2352 385 15 750 575 190 15 ...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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