معدل التغير 🔥 بداية التفاضل (الحصة 1) تانية ثانوي ترم ثاني 2026 | علمي وأدبي

Hey high school seniors! 🚀 Ready to start the most challenging branch of mathematics? Today we'll begin our first calculus lesson, explaining the "rate of change" from the very beginning. This lesson is the foundation you'll build upon throughout the semester, and we'll learn the difference between the function of change, the mean change, and the rate of change in a simple way. 📌 In this video, you'll understand: ✅ What the change of h or Δx means and how to calculate it. ✅ The formulas for the function of change T(h) and the mean change function M(h). ✅ The definition of the rate of change and its relationship to the first derivative. ✅ Solving a variety of comprehensive exercises from the Al-Moasser 2026 textbook for both science and arts students. 🔗 Links to the "Infinity Math" Army (Very Important): ✅ To subscribe to the INFINITY MATH platform to follow assignments and exams: https://www.infinity-math.com/ ✅ To contact and inquire via WhatsApp (Mr. Mustafa Salah): [https://wa.me/message/ZOGJSLPLWI4XC1] ✅ Join our Facebook page to download PDF study notes: [  / 1hzp8pfqcj  ] 📝 Lesson Content (Timestamps): 00:00 Introduction to Calculus for the second term. 04:20 Explanation of the T(h) function. 15:10 Explanation of the M(h) function. 28:45 Definition of the Rate of Change (Limit of Average Change). 35:30 Top-performing problem ideas and graphing. 48:38 Conclusion and very important tips before the next lesson. If you liked the explanation and felt you understood, support us with a like and subscribe to the channel 🔔 and share the video with all your friends so everyone can ace math! #SecondYearHighSchool #Calculus #RateOfChange #SecondTerm #Mathematics #HighSchool #InfinityMath #MrMostafaSalah #AlMoasser2026 #Science #Arts