The equation 2x 2 + 4kx 5k = 0, where k is a constant, has no
Question:
The equation 2x2 + 4kx − 5k = 0, where k is a constant, has no real roots. Prove that k satisfies the inequality −5/2 < k < 0.
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To prove that k satisfies the inequality 52 k 0 when the equation 2x2 4kx 5k 0 has no real roots we ...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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