The equation kx 2 + 5kx + 3 = 0, where k is a constant, has no
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The equation kx2 + 5kx + 3 = 0, where k is a constant, has no real roots. Prove that k satisfies the inequality 0 ≤ k < 12/25.
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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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