Welcome to Mathematics Sirji – your one-stop channel for fast revision & exam-oriented Maths learning! In today’s 1-minute conceptual short, we solve a very important Differentiation PYQ: 👉 Find dy/dx if A frequently asked question in Class 12 Boards, CBSE, ISC, JEE Mains, JEE Advanced, CUET, NDA, CET & state level engineering entrances. This video explains the formula, logic & differentiation in a simple and easy manner so you can revise it quickly before exams. --- 🧠 Concept Breakdown (for revision notes) If y = tan⁻¹(u) then \frac{dy}{dx} = \frac{1}{1+u^2} \cdot \frac{du}{dx} \frac{du}{dx} = 2e^{2x} \frac{dy}{dx} = \frac{2e^{2x}}{1+e^{4x}} A must-practice derivative for board exams because inverse trigonometry + exponential = high scoring short answer question. --- 🏆 Why you should watch this short ✔ Most Expected Differentiation PYQ ✔ Formula based solving for last-minute revision ✔ Ideal for Class 12 Board Exam 2025 ✔ Very helpful for JEE calculus fundamentals ✔ Boosts speed + conceptual clarity ✔ Memorise in 30 seconds --- 📚 More content on this channel Subscribe to Mathematics Sirji for: • Class 12 Differentiation PYQs • JEE Mains maths shorts & tricks • Integration shortcuts • Trigonometry identity hacks • Limits, Continuity & Derivatives • 10th–12th quick revision shorts • Competitive exam problem solving • Maths concepts explained in simple language Share this video with your friends & comment your next topic! 🔔 Subscribe & stay tuned for daily revision Shorts. Keep learning. Maths is easy when taught right! ❤️ --- #mathematicssirji #class12maths #cbse2025 #boardexam2025 #differentiation #derivative #taninverse #exponential #mathshorts #cbsebymaths #pyq #jee #jeemain2025 #jeeaspirants #boardexamrevision #mathsvideos #mathstricks #class12cbse #calculus #chainrule #cuet #ndaexam #cetexam #revision #fastmaths #viralshorts #studyshorts #mathsfun #class12boards ---