tmua 2020 Q20

tmua · Uk · paper1 1 marks Discriminant and conditions for roots Parameter range for specific root conditions (location/count)

For how many values of $a$ is the equation
$$(x - a)(x^2 - x + a) = 0$$
satisfied by exactly two distinct values of $x$?
A $0$
B $1$
C $2$
D $3$
E $4$
F more than 4

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For how many values of $a$ is the equation

$$(x - a)(x^2 - x + a) = 0$$

satisfied by exactly two distinct values of $x$?

A $0$

B $1$

C $2$

D $3$

E $4$

F more than 4

Paper Questions

Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 Q19 Q20