Definite Integration Symmetry Property | JEE Main 2021 PYQ | Maths with AK Sir

Описание: In this video, Maths with AK Sir solves an important JEE Main 2021 PYQ from Definite Integration using symmetry and property of functions.

📌 Question Focus:
Evaluate
\int_{-\pi/2}^{\pi/2} \frac{\cos^2 x}{1+3^x}\,dx

This question is a classic example of replacing x with -x and using
definite integration symmetry property, making it a direct scoring question in JEE Main.

🔥 Extremely important for:
• JEE Main 2026 aspirants
• JEE Main 2027 aspirants
• Students revising Definite Integration properties
• Learning shortcut techniques for exponential terms

✅ Topics Covered:
• Symmetry in definite integration
• Exponential function tricks
• Property: f(x)+f(-x)
• PYQ-based shortcut approach
• Fast exam-oriented solution

🎯 Such questions are frequently repeated in JEE with small variations.

📚 Watch till the end to master property-based definite integration.


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