Q81.The number of real solutions of the equation x|x + 5| + 2|x + 7| −2 = 0 is_________
What This Question Tests
This problem involves finding the probability that a quadratic equation, with coefficients chosen from a given set, has two distinct real roots. It requires calculating total possible outcomes and favorable outcomes by checking the discriminant condition.
Concepts Tested
Formulas Used
Discriminant D = b² - 4ac > 0 (for distinct real roots)
Probability = (Favorable Outcomes) / (Total Outcomes)
📚 NCERT Sections This Tests
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📋 Question Details
- Chapter
- Probability
- Topic
- Probability of roots of quadratic equations
- Year
- 2024
- Shift
- 05 Apr Shift 2
- Q Number
- Q81
- Type
- MCQ
- NCERT Ref
- Class 12 Mathematics Ch 13: Probability
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