Ifx +y = 11 and xy = 24, then r2+ y=
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Answer:
x + y = 11
on squaring both sides
(x + y)² = (11)²
x² + y² + 2xy = 121
x² + y² + 2×24 = 121
x² + y² + 48 = 121
x² + y² = 121 - 48
x² + y² = 73
the answer is
73
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