A) 9
B) 8
C) 7
D) 6
Correct Answer: D
Solution :
Equation of common chord is \[{{S}_{1}}-{{S}_{2}}=0\] Þ \[2x-2y=0\] i.e., \[x-y=0\] \[\because \] Length of perpencicular drawn from \[{{C}_{1}}\] to \[x-y=0\] is \[\frac{1}{\sqrt{2}}\] \[\therefore \] Length of common chord \[=2\sqrt{\frac{19}{2}-\frac{1}{2}}=6\].You need to login to perform this action.
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