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## Answers

we have

16xy⁴ = 2xyr⁴-¹ = 2xyr³

16xy⁴/2xy = r³

8y³ = r³

2y = r / take the cube rt of both sides

so the two GM are ( 2xy)2y = 4xy² & (4xy²)(2y) = 8xy³

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we have

16xy⁴ = 2xyr⁴-¹ = 2xyr³

16xy⁴/2xy = r³

8y³ = r³

2y = r / take the cube rt of both sides

so the two GM are ( 2xy)2y = 4xy² & (4xy²)(2y) = 8xy³