a. Find the discriminant of h(x) in terms of k. b. Hence or otherwise, prove that h(x)
Question:
a. Find the discriminant of h(x) in terms of k.
b. Hence or otherwise, prove that h(x) has two distinct real roots for all values of k.
h(x) = 2x2 + (k + 4)x + k, where k is a real constant.
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a The discriminant of a quadratic equation in the form of ax2 bx c is ...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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