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Add or Subtract 9x3y103+4xy27y739 \sqrt [ 3 ] { x ^ { 3 } y ^ { 10 } } + 4 x y \sqrt [ 3 ] { 27 y ^ { 7 } }

Question 47

Multiple Choice

Add or subtract. Assume all variables represent positive real numbers.
- 9x3y103+4xy27y739 \sqrt [ 3 ] { x ^ { 3 } y ^ { 10 } } + 4 x y \sqrt [ 3 ] { 27 y ^ { 7 } }


A) 13xy427y313 x y 4 \sqrt [ 3 ] { 27 y }
B) 13x2y4y313 x ^ { 2 } y ^ { 4 } \sqrt [ 3 ] { y }
C) 21x2y33y321 x ^ { 2 } y ^ { 3 } \sqrt [ 3 ] { 3 y }
D) 21xy3y321 \mathrm { xy } ^ { 3 } \sqrt [ 3 ] { \mathrm { y } }

Correct Answer:

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