Same chapter1 markDifficulty: Easy
The discriminant of the equation 2x2 − 4x + 1 = 0 is:
Quadratic Equations
2 marksDifficulty: Easy
Solve for x: x2 − 5x + 6 = 0.
Original Khojo Papers practice question — not from a past board paper.
Answer
x = 2 or x = 3
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Splitting the middle term, x2 − 3x − 2x + 6 = 0, so x(x − 3) − 2(x − 3) = 0 and (x − 3)(x − 2) = 0. Hence x = 3 or x = 2.
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Same chapter1 markDifficulty: Easy
One root of x2 − 5x + 6 = 0 is 2. The other root is:
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