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Question

For the equation x2+bx+c=0, if 1+b+c=0 for all b,cR, then the roots are

A
1
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B
b
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C
c
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D
1c
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Solution

The correct options are
A 1
C c
x2+bx+c=0
Sum of coefficients =1+b+c=0
Since, the sum of coefficients is zero, so the given quadratic equation has one root to be 1.

Let another root be α.
So, product of roots =c1
1×α=c
α=c

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