Correct Answer: Option C

Explanation

16/9, x, 1, y => a, ar, ar², ar³
ar² = 1 => 16r²/9 = 1 => 16r²
9 => r² = 9/16 => r = 3/4
ar² = y = ar² x r = 1 x 3/4 = 3/4
x xy = 4/3 x 3/4 = 1

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