In some appropriate units, time \((t)\) and position \((x)\) relation of a moving particle is given by \(t=x^2+x. \) The acceleration of the particle is:
1. \(+\dfrac{2}{(x+1)^3}\) 2. \(+\dfrac{2}{(2x+1)}\)
3. \(-\dfrac{2}{(x+2)^3}\) 4. \(-\dfrac{2}{(2x+1)^3}\)
Subtopic:  Non Uniform Acceleration |
From NCERT
NEET - 2025
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