Simplify $\sqrt [ 3 ] { 81 x ^ { 8 } y ^ { 21 } }$

question 73

Multiple Choice

Simplify: $\sqrt [ 3 ] { 81 x ^ { 8 } y ^ { 21 } }$

• A) \(3 x ^ { 2 } y ^ { 4 } \sqrt [ 3 ] { 3 x ^ { 2 } }\)
• B) none of these
• C) \(3 x ^ { 2 } y ^ { 7 } \sqrt [ 3 ] { 2 x ^ { 2 } }\)
• D) \(3 x ^ { 2 } y ^ { 7 } \sqrt [ 3 ] { 3 x ^ { 2 } }\)

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