The function f is defined as f(x) = 2 2x 20(2 x ) + 64, x.
Question:
The function f is defined as f(x) = 22x − 20(2x) + 64, x ∈ ℝ.
a. Write f(x) in the form (2x − a)(2x − b), where a and b are real constants.
b. Hence find the two roots of f(x).
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a To write fx in the form 2x a2x b we need to expand the expression and find va...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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