For above transition in hydrogen like atoms, select the correct rela

1.	For above transition in hydrogen like atoms, select the correct relations(s).
Answer» `v_(3) = v_(1) + v_(2)` `v_(3) = (v_(1)v_(2))/(v_(1) + v_(2))` `lambda_(3) = lambda_(1) + lambda_(2)` `lambda_(3) = (lambda_(1)lambda_(2))/(lambda_(1) + lambda_(2))` Answer :A::D

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