A ball is thrown up, it reaches a maximum height and then comes down. If \( t_{1} \) and \( t_{2...

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A ball is thrown up, it reaches a maximum height and then comes down. If \( t_{1} \) and \( t_{2}\left(t_{2}t_{1}\right) \) are the times that the ball takes to be at a particular height then the time taken by the ball to reach the highest point is
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