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Shown in the figure is a system of thre...

Shown in the figure is a system of three bodies of mass `m_(1), m_(2) & m_(3)` connected by a single inextensible light string. If all surfaces in contact are smooth & the pulleys P & Q are light, find the tension in the string.

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The correct Answer is:
`(4m_(1)m_(2)m_(3)g)/(4m_(1)m_(2)+m_(2)m_(3)+m_(1)m_(3))`
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