x/2+y/2=1
2xy+9=0
pls someone...i need workings
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Step-by-step explanation:
to this question
make two equation
first x+y= 2
second xy= -9/2
let's on identity
(x-y)²=(x+y)²-4xy
then ,
=>. ( x-y)²= 4+18
=>. x-y= √22
x= (2+√22)/2
y= (2-√22)/2
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