√25 = 5

√25 = -5

∛8 = 2

∛-8 = -2

√9 = 3

√-9 = -3

√-9 = หาค่าที่เป็นจำนวนจริงไม่ได้

∛-8 = -2

√9 = 9²

√-9 = -3²

√9 = -3

√9 = 9^½

(√3)² = 3

(∛3)³ = 3

(∛4)³ = 4

(∜3)⁴ = 4

√-3² = 3

∛-3³ = -3

∛-4³ = -4

∜-3⁴ = -3

(√-3)² = 3

(∛-3)³ = -3

(∛-4)³ = 4

(∜-3)⁴ = 3

(√-3)² = -3

(∛-3)³ = -3

(∛-4)³ = -4

(∜-3)⁴ = 3

-2

2

-8

8

5

50

5√2

5∛2