Answer:
Explanation:
x² = 17x + y
y² = x + 17y
x² + y² = 17x + y + x + 17y
x² + y² = 18x + 18y
x² + y² + 1 = 9* 2(x + y) + 1
√(x² + y² + 1) = 3√(2x + 2y + 1)
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