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Easy

Question

# If = 1 is a tangent to the curve x = 4t,y =, t R then -

- a > 0 , b > 0
- a > 0, b < 0
- a < 0, b > 0
- None of these

Hint:

### Find slope i.e

## The correct answer is: a > 0 , b > 0

### Given : x = 4t, y =, t R

, ( the curve is a rectangular parabola)

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