Bài 1.19 trang 20 Toán 10 Tập 1: Mệnh đề nào sau đây là đúng?

Exercise 1.19, page 20, Math 10, Volume 1: Which of the following statements is true? A. ∀x ∈ ℝ, x^2 is greater than 1 ⇒ x is greater than -1. B. ∀x ∈ ℝ, x^2 is greater than 1 ⇒ x is greater than 1. C. ∀x ∈ ℝ, x is greater than -1 ⇒ x^2 is greater than 1. D. ∀x ∈ ℝ, x is greater than 1 ⇒ x^2 is greater than 1. This is question 1.19, page 20, Math 10, Volume 1, the end-of-chapter 1 exercises in the Math 10 textbook - Connecting Knowledge. In this video, I will guide you in answering question 1.19, page 20, Math 10, Volume 1. Please pay close attention with me, everyone! If you find this video helpful, please help me spread the word by liking and sharing it. Subscribe to the channel to learn more interesting videos! Click the bell icon to receive notifications for the latest videos! Best regards! Watch the full answers to the Math 10 questions - Connecting Knowledge here:    • Trả lời câu hỏi Toán 10 - Kết nối tri thức