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TMUAmockz Set 1 Paper 1 · Q2

Paper 1Algebra

Let f(x)=x3−3px−p(1+p)f(x)=x^3-3px-p(1+p), where p>0p>0 and p≠1p\ne1.

How many times does the curve y=f(x)y=f(x) cross the xx-axis?

AAlways 1
BAlways 2
CAlways 3
DEither 1 or 2
EEither 1 or 3
FEither 2 or 3

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