A) \[0\]
B) \[\pm 4\]
C) \[\pm 2\]
D) \[\pm 3\]
Correct Answer: B
Solution :
\[{{x}^{2}}+{{y}^{2}}-6x-8y+(25-{{a}^{2}})=0\] Radius\[=4=\sqrt{9+16+(25-{{a}^{2}})}\]\[\Rightarrow \]\[a=\pm 4\]You need to login to perform this action.
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