The speed v of a particle moving along a straight line is given by a+bv2=x2 where x is its distance from the origin the acceleration of the particle is

# The speed $v$ of a particle moving along a straight line is given by $a+b{v}^{2}={x}^{2}$ where $x$ is its distance from the origin the acceleration of the particle is

1. A

$\frac{x}{b}$

2. B

$\frac{x}{ab}$

3. C

$abx$

4. D

$ax$

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