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![Toán 12: Cho hàm số f(x) có bảng biến thiên như sau. Số nghiệm thuộc đoạn [-π;2π] 4f(cos(2x))+5=0](https://1a-1791.com/video/s8/1/7/u/i/3/7ui3t.fP4e-small-Ton-12-Cho-hm-s-fx-c-bng-bi.jpg)
Toán 12: Cho hàm số f(x) có bảng biến thiên như sau. Số nghiệm thuộc đoạn [-π;2π] 4f(cos(2x))+5=0
9 months ago
38
Đây là video về cách giải cho khảo sát hàm số và cách giải chi tiết từng bước cho câu khảo sát hàm
#KhaoSatHam
#HamSo
#PhuongTrinh
#Toán12
#ChuongTrinhMoi
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