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JEE MAIN 2020
07-01-20 S1
Question
If y=mx + 4 is a tangent to both the parabolas, $y^2 =4 x$ and $x^2=2 b y$, then $b$ is equal to
Select the correct option:
A
-64
B
128
C
-32
D
-128
✓ Correct! Well done.
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