x 2 8x 29 (x + a) 2 + b, where a and b
Question:
x2 − 8x − 29 ≡ (x + a)2 + b, where a and b are constants.
a. Find the value of a and the value of b.
b. Hence, or otherwise, show that the roots of x2 − 8x − 29 = 0 are c ± d√5, where c and d are integers.
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a To find the value of a and b we need to expand the right side of the equation and compare it with ...View the full answer
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Related Book For
Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS
ISBN: 9781292183398
1st Edition
Authors: Greg Attwood
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