Question
Consider a,b,c : real numbers. X=a+ba−b,Y=b+cb−c,Z=c+ac−a . The value of XY+YZ+XZ is___
Answer:
:
Assume a=1, b=2, c=3
X=-3Y=-5Z=2
XY+YZ+XZ = 15-10-6 = -1
Assume a=2,b=3 and c=4
X= -5Y= -7Z= 3
XY+YZ+XZ= 35-21-15= -1
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:
Assume a=1, b=2, c=3
X=-3Y=-5Z=2
XY+YZ+XZ = 15-10-6 = -1
Assume a=2,b=3 and c=4
X= -5Y= -7Z= 3
XY+YZ+XZ= 35-21-15= -1
Was this answer helpful ?
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