Question

please shi btana plz​

Answer 1

Given :

• ³√-216/1331
• ³√-27/216

To Find :

• Cube roots of these.

Solution :

a) ³√-216/1331

→ ³√ [ (-6) × (-6) × (-6) / 11 × 11 × 11 ]

→ -6/11

b) ³√-27/216

→ ³√ [ 3 × 3 × 3 / 6 × 6 × 6 ]

→ 3/6

Hence,

• a) = -6/11
• b) = 3/6