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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

(a) 2

B

(b) 4

C

(c) 6

D

(d) 8

Text Solution

Verified by Experts

The correct Answer is:
C
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