Relative velocity of A with respect to B when A and B are in the oppos

1.	Relative velocity of A with respect to B when A and B are in the opposite direction is :
Answer» ` V_(A) + V_(B)` ` V_(A) - V_(B)` `grad_(A) + grad_(B)` `sqrt(V_(A)^(2)+V_(B)^(2)=2V_(A)V_(B)COSTHETA)` Answer :A

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