if x +y=13 and xy =6 1/4 find x-y
guys please answer me fast
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if x +y=13 and xy =6 1/4 find x-y
guys please answer me fast
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Answer:
please check the above attachment. hope this helps you
Answer:
x-y=12
Step-by-step explanation:
x +y=13
x=13-y
xy =6 1/4
xy=25/4
(13-y)y=25/4
13y-y^2=25/4
y^2-13y+25/4=0
y=25/2 or y=1/2
x=13-y
x=13-1/2
x=25/2
if we take y=25/2 then x=1/2
Now x-y=25/2-1/2
x-y=24/2
x-y=12