CBSE Class 12 Mathematics 2026 Main Paper 65/4/2 · Q71 Markssubstitution
CBSE Class 12 Mathematics 2026 Main Paper 65/4/2 · Question 7 (Integrals)
Evaluate \(\int dx/\sqrt{25-16x^2}\).
✅ Step-by-Step Solution
Final Answer: arcsin(4x/5)/4+C
- Use u=4x/5 and dx=5du/4 to obtain one fourth of the standard arcsine integral.
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