Q8. Quadratic Equations - Challenging O Level Additional Maths (A Maths Balestier Q8) Free download Exam papers

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Q8. Quadratic Equations - Challenging O Level Additional Maths (A Maths Balestier Q8) Free download Exam papers
Answer:

Thinking process:

Condition for tangent - or one root - discriminant is equal to 0.

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