Les ensembles numériques explained simply
IN BRIEF Set ℕ: Natural whole numbers (0, 1, 2, …) Set ℤ: Whole numbers (positive and negative) Set ℚ: Rational numbers (fractions) Set ℝ: Real numbers including irrational numbers Set ℝ⁺: Positive real numbers Set ℝ⁻: Negative real numbers Use of the number line to represent sets Importance of properties and relationships between sets … Read more