Same chapter3 marksDifficulty: Medium
Solve x2 − 2x + 5 = 0.
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3 marksDifficulty: Medium
If α and β are the roots of x2 − 5x + 6 = 0, find α2 + β2.
Original Khojo Papers practice question — not from a past board paper.
Answer
13
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
α + β = 5 and αβ = 6, so α2 + β2 = (α + β)2 − 2αβ = 25 − 12 = 13.
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