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If x² + y² = 17 and x y = 7, then (x - y)² :​

If x² + y² = 17 and x y = 7, then (x - y)² :​
asked 147k views
2 votes
If x² + y² = 17 and x y = 7, then (x - y)² :​

asked
User Balajee Venkatesh
by
7.6k points

1 Answer

2 votes

Answer:

(x-y)²=x²-2xy+y2

=x²+y²-2xy

=17-2×7

=17-14

=3

answered
User Williamli
by
7.6k points
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