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                                    RK DONE BYA VARIADDDA force acting on a particle varies with the displacerment x as F = ax-bx2 where a = 1 Nm and b-l Nm2. The work done by this force for the first one meter (F is in newtons, x is in meters) is :3(3) 6J21 EJ(2) J(4) of these | 
                            
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