Odpowiedź:
√(3 + 4² + 9²) = √(3 + 16 + 81) = √100 = √10² = 10
∛(3³ + 4³ + 34) = ∛(27 + 64 + 34) = ∛125 = ∛5³ = 5
√(9/16) = √(3/4)² = 3/4
√(1 9/16) = √(25/16) = √(5/4)² = 5/4 = 1 1/4
√(16/5) * √5 = √(16/5 * 5) = √16 = √4² = 4
√12 + √75 = √(4 * 3) + √(25 * 3) = √4 * √3 + √25 * √3 = 2√3 + 5√3 = 7√3
∛(- 27) = - ∛27 = - ∛3³ = - 3
∛512 = ∛8³ = 8
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Odpowiedź:
√(3 + 4² + 9²) = √(3 + 16 + 81) = √100 = √10² = 10
∛(3³ + 4³ + 34) = ∛(27 + 64 + 34) = ∛125 = ∛5³ = 5
√(9/16) = √(3/4)² = 3/4
√(1 9/16) = √(25/16) = √(5/4)² = 5/4 = 1 1/4
√(16/5) * √5 = √(16/5 * 5) = √16 = √4² = 4
√12 + √75 = √(4 * 3) + √(25 * 3) = √4 * √3 + √25 * √3 = 2√3 + 5√3 = 7√3
∛(- 27) = - ∛27 = - ∛3³ = - 3
∛512 = ∛8³ = 8