The expression x 3 + ax 2 15x + b has a factor of x
Question:
The expression x3 + ax2 – 15x + b has a factor of x – 2 and leaves a remainder 75 when divided by x + 3. Find x + 3. Find the value of a and of b.
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To find the value of a and b we can use the fact that the exp...View the full answer
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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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