For the equation x2+bx+c=0, if 1+b+c=0 for all b,c∈R, 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 A1 Cc 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