Mathematics
If x + y = 11 and xy = 24, then x2 + y2 is equal to
121
73
48
169
Expansions
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Answer
We know that,
x2 + y2 = (x + y)2 - 2xy.
Substituting values we get,
x2 + y2 = (11)2 - 2 × 24 = 121 - 48 = 73.
Hence, Option 2 is the correct option.
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