Difference between the corresponding roots of \[{{x}^{2}}+ax+b=0\] and \[{{x}^{2}}+bx+a=0\] is same and \[a\ne b\], then [AIEEE 2002]

Difference between the corresponding roots of \[{{x}^{2}}+ax+b=0\] and

1.	Difference between the corresponding roots of \[{{x}^{2}}+ax+b=0\] and \[{{x}^{2}}+bx+a=0\] is same and \[a\ne b\], then [AIEEE 2002]
A.	\[a+b+4=0\]
B.	\[a+b-4=0\]
C.	\[a-b-4=0\]
D.	\[a-b+4=0\]
Answer» B. \[a+b-4=0\]

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Difference between the corresponding roots of \[{{x}^{2}}+ax+b=0\] and \[{{x}^{2}}+bx+a=0\] is same and \[a\ne b\], then [AIEEE 2002]

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