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If x = 64 and y = 27, evaluate: \(\frac{x^{\frac{1}{2}} - y^...

If x = 64 and y = 27, evaluate: x12y13yx23

A.

215

B.

1

C.

511

D.

1143

Correct answer is C

x12y13yx23

substitute x = 64 and y = 27

64122713276423=6432727(364)2

= 832716

= 511