A) 2
B) 3
C) 4
D) 5
Correct Answer: D
Solution :
Let\[{{r}_{1}},{{r}_{2}}\] be the roots. From given condition, \[r-1=\frac{1}{r}\] \[\Rightarrow \] \[{{r}^{2}}-2r-1=0\] \[\therefore \] \[b=-2,c=-1\] \[\therefore \] \[{{b}^{2}}+{{c}^{2}}=5.\]You need to login to perform this action.
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