Q21.The variance of the numbers 8, 21, 34, 47, … , 320 is
What This Question Tests
This question involves calculating the area under a curve defined by an exponential function with a modulus, requiring splitting the integral due to the modulus and then solving for the constant 'a'.
Concepts Tested
Formulas Used
Area = ∫a to b y dx
∫e^x dx = e^x
∫e^-x dx = -e^-x
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📋 Question Details
- Chapter
- Definite Integration & Area
- Topic
- Area under a curve involving modulus function
- Year
- 2025
- Shift
- 23 Jan Shift 2
- Q Number
- Q21
- Type
- MCQ
- NCERT Ref
- Class 12 Mathematics Ch 8: Application of Integrals
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