1.

If the roots of the equations \[{{x}^{2}}-bx+c=0\] and \[{{x}^{2}}-cx+b=0\] differ by the same quantity, then  \[b+c\] is equal to                            [BIT Ranchi 1969; MP PET 1993]

A. 4
B. 1
C. 0
D. -4
Answer» E.


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