Same chapter4 marksDifficulty: Hard
The sum of the ages of a father and his son is 45 years and the product of their ages is 350. Find their present ages.
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3 marksDifficulty: Hard
Solve 4x2 + 4√3x + 3 = 0.
Original Khojo Papers practice question — not from a past board paper.
Answer
x = −√3/2, a repeated root
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The discriminant is 48 − 48 = 0, so the roots are equal. The equation is (2x + √3)2 = 0, giving x = −√3/2.
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