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2.4 The Discriminant

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Question 18

The equation (k2+1)x2+4x+2=0(k^2 + 1)x^2 + 4x + 2 = 0(k2+1)x2+4x+2=0, where k k\,k is a constant, has two distinct real solutions for xxx.

Find the set of possible values for kkk.

[7]
Markscheme

2.4 The Discriminant Questions

  1. A Level
  2. /Maths
  3. /2.4 The Discriminant

49 exam-style questions on Edexcel A Level Maths 2.4 The Discriminant. Each one has a worked solution and a mark scheme showing where the marks go.

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