If x-y=3 and xy=4,find x+y...whoever answers me first..I will mark you brainliest
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Answered by
1
x - y = 3
xy = 4
(x + y)² = (x - y)² + 4xy
= 3² + 4(4)
= 9 + 16
= 25
(x + y)² = 25
x + y = √25
x + y = 5
Hope it helps
xy = 4
(x + y)² = (x - y)² + 4xy
= 3² + 4(4)
= 9 + 16
= 25
(x + y)² = 25
x + y = √25
x + y = 5
Hope it helps
Answered by
1
the answer is x+y=5 is correct
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JrmRockzzz:
Thanks bro..but u answered late...
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