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y=3x is tangent to the parabola 2y=ax^2+...

y=3x is tangent to the parabola `2y=ax^2+b`. The minimum value of a+b is

A

2

B

4

C

6

D

8

Text Solution

Verified by Experts

The correct Answer is:
C
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ARIHANT MATHS-PARABOLA-Exercise (Passage Based Questions)
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  12. Tangent to the parabola y=x^(2)+ax+1 at the point of intersection of t...

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  16. A parabola (P) touches the conic x^2+xy+y^2-2x-2y+1=0 at the points w...

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  17. A parabola (P) touches the conic x^2+xy+y^2-2x-2y+1=0 at the points w...

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