X+y½=25 , x½+y=16 find X and y
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Answer:
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Step-by-step explanation:
( x - y )2 = X2 + y2 - 2xy
( x - y )2 = 57 - 2 * 16
( x - y )2= 57 - 36
( x - y )2 = 25
( x - y )2 = 5
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