There are four forces acting at a point \( P \) produced by strings as shown in figure, which is...

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There are four forces acting at a point \( P \) produced by strings as shown in figure, which is at rest. The forces \( F_{1} \) and \( F_{2}( \) in \( \mathrm{N}) \) are
(a) \( 0.7,2.1 \)
(b) \( 4.1,2.1 \)
(c) \( 2.31,1.0 \)
(d) \( 3.0,1.4 \)
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