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Let y^2=4ax be a parabola and x^2+y^2+2b...

Let `y^2=4ax` be a parabola and `x^2+y^2+2bx=0` be a circle. If parabola and circle touch each externally then:

A

`agt0,blt0`

B

`agt0,bgt0`

C

`alt0,bgt0`

D

`alt0,blt0`

Text Solution

Verified by Experts

The correct Answer is:
B, D
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