A) \[{{x}^{2}}-4x-8y-12=0\]
B) \[{{x}^{2}}-4x+8y+12=0\]
C) \[{{x}^{2}}+8y=12\]
D) \[{{x}^{2}}-4x+12=0\]
E) none of the above
Correct Answer: B
Solution :
Let co-ordinate of directrix in which meet the axis at Z is \[(\alpha ,\beta )\]You need to login to perform this action.
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