CBSE Class 12 Mathematics 2026 Main Paper 65/1/3 · Q121 Marksintegrals
CBSE Class 12 Mathematics 2026 Main Paper 65/1/3 · Question 12 (Integrals)
If ∫ (3ax)/(b² + c²x²) dx = A log| b² + c²x² | + K, then the value of A is
✅ Step-by-Step Solution
Final Answer: (D) 3a/(2c²)
- Differentiate RHS: A · (2c²x)/(b²+c²x²) = (3ax)/(b²+c²x²).
- So 2A c² = 3a ⇒ A = 3a/(2c²).
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