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Clavis TMUA Set A Paper 1 · Q19

Paper 1Algebra

The equation x3−12x+q=0x^3-12x+q=0, where qq is a real constant, has a repeated root.

Find the complete set of values of qq.

Aq=−16q=-16 or q=16q=16
Bq=−16q=-16 only
Cq=16q=16 only
Dq=−8q=-8 or q=8q=8
Eq=0q=0 only
Fthere are no such values of qq

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