A particle ' P ' is formed due to a completely inelastic collision of particles ' x ' and…

1. ${\mathrm{\lambda }}_{\mathrm{x}}-{\mathrm{\lambda }}_{\mathrm{y}}$
2. $\frac{{\mathrm{\lambda }}_{\mathrm{x}}{\mathrm{\lambda }}_{\mathrm{y}}}{{\mathrm{\lambda }}_{\mathrm{x}}+{\mathrm{\lambda }}_{\mathrm{y}}}$
3. $\frac{{\mathrm{\lambda }}_{\mathrm{x}}{\mathrm{\lambda }}_{\mathrm{y}}}{\left|{\mathrm{\lambda }}_{\mathrm{x}}-{\mathrm{\lambda }}_{\mathrm{y}}\right|}$
4. ${\mathrm{\lambda }}_{\mathrm{x}}+{\mathrm{\lambda }}_{\mathrm{y}}$

Solution

Asked in: JEE Main 2019 (09 Apr Shift 2)

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