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in Parabola by (51.4k points)

The common tangent to the parabolas y2 = 4ax and x= 4ax and x2 = 32ay is

a. x + 2y – 4a = 0

b. x + 2y + 4a = 0

c. x – 2y + 4a = 0

d. x – 2y – 4a = 0

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1 Answer

+1 vote
by (51.1k points)

b. x + 2y + 4a = 0

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