if X + Y is equal to 9 and X Y = 14 find the value of X×X- y×Y
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Answered by
3
x+y=9
xy=14
here x=7 and y=2
therefore..
=7x7 - 2x2
=49-4
=45
xy=14
here x=7 and y=2
therefore..
=7x7 - 2x2
=49-4
=45
Answered by
3
x=3,y=6,3+6=9
x=2,y=7,2×7=14
x×x-y×y
3×2-6×7
6-42=-36
x=2,y=7,2×7=14
x×x-y×y
3×2-6×7
6-42=-36
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