1.

The equation of the locus of a point which moves so as to be at equal distances from the point (a, 0) and the y-axis is

A. \[{{y}^{2}}-2ax+{{a}^{2}}=0\]
B. \[{{y}^{2}}+2ax+{{a}^{2}}=0\]
C. \[{{x}^{2}}-2ay+{{a}^{2}}=0\]
D. \[{{x}^{2}}+2ay+{{a}^{2}}=0\]
Answer» B. \[{{y}^{2}}+2ax+{{a}^{2}}=0\]


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