Q61.Let ๐= ๐ฅโ๐ : โ3 + โ2 ๐ฅ+ โ3 โโ2 ๐ฅ= 10. Then the number of elements in ๐ is: (1) 4 (2) 0 (3) 2 (4) 1
What This Question Tests
This question tests algebraic manipulation skills, specifically recognizing a reciprocal relationship between terms involving surds and exponential variables to reduce the equation to a quadratic form.
Concepts Tested
Formulas Used
a^x + 1/a^x = k
Quadratic formula: x = (-b ยฑ sqrt(b^2 - 4ac)) / 2a
๐ NCERT Sections This Tests
1.27 โ If The Solubility Product Of Cus Is 6 ร 10โ16, Calculate The Maximum Molarity Of
Chemistry Class 11 ยท Chapter 1
1.27 If the solubility product of CuS is 6 ร 10โ16, calculate the maximum molarity of CuS in aqueous solution.
3.17 โ During Nuclear Explosion, One Of The Products Is 90Sr With Half-Life Of
Chemistry Class 11 ยท Chapter 3
3.17 During nuclear explosion, one of the products is 90Sr with half-life of 28.1 years. If 1mg of 90Sr was absorbed in the bones of a newly born baby instead of calcium, how much of it will remain after 10 years and 60 years if it is not lost metabolically.
9.18 โ For Fixed Distance S Between Object And Screen, The Lens Equation
Physics Class 12 ยท Chapter 9
9.18 For fixed distance s between object and screen, the lens equation does not give a real solution for u or v if f is greater than s/4. Therefore, fmax = 0.75 m.
๐ Question Details
- Chapter
- Quadratic Equations
- Topic
- Equations with Surds and Exponentials
- Year
- 2024
- Shift
- 01 Feb Shift 1
- Q Number
- Q61
- Type
- MCQ
- NCERT Ref
- Class 11 Mathematics Ch 5: Complex Numbers and Quadratic Equations
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