Q78.If 𝑓𝑥= log𝑒 11 +- 𝑥𝑥, 1 + 𝑥2 (1) 𝑓𝑥2 (2) 2𝑓𝑥2 (3) – 2𝑓𝑥 (4) 2𝑓𝑥 sin𝑥 𝜋 then 𝑑𝑦 is equal to
What This Question Tests
The question tests the ability to evaluate a function at a composite argument by substituting the expression and simplifying using logarithmic properties.
Concepts Tested
Formulas Used
log(a/b) = log a - log b
log(a^n) = n log a
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📋 Question Details
- Chapter
- Sets Relations Functions
- Topic
- Properties of functions
- Year
- 2019
- Shift
- 08 Apr Shift 1
- Q Number
- Q78
- Type
- MCQ
- NCERT Ref
- Class 11 Mathematics Ch 2: Relations and Functions
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