🟡 Промежутки возрастания и убывания

💯Register for the 2026 CE/CT course: https://kedr.link/dw8thl 🟣Register for the 2026 USE course: https://kedr.link/pkgli4 🟡Instagram with useful info:   / ct_matem   🎱TikTok with RT analysis:   / ct_matem_2.0   🔵Telegram channel: https://t.me/+Em5XtzOnSkE5OGY6 👋Hey guys! Egor here. Today we're covering the 5th level of the CE/CT course: INTERVALS OF MONOTONOUSNESS, also known as intervals of decreasing and increasing frequency. Let's get comfortable, 🍪stock up on cookies and tea☕, and enjoy the video!). 💛Subscribe, I'll be happy :З