If x+y=13 xy=7 find x²y²
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Answered by
0
Answer:
(x+y)² = x² + y² + 2xy
(xy)²
(7)²
x²y² = (7)² = 49
Answered by
0
Answer:
49
Step-by-step explanation:
(xy)=7 x×x×y×y=7×7=49
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