If N=[{(3+2*2^1/2)^1/2+(3-2*2^1/2)^1/2}/(3^1/2+1)^1/2]-2(3^1/2-1)^1/2,then equals to
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Q5
Two particles of masses m1,m2 moving with initial velocities u1andu2. On collision, one of the particles get excited to higher level, after absorbing energy ε . If final velocities of particles be v1andv2 then we must have :