A simple pendulum of length L_(1) has a time period 'T_(1)' and another pendulum of length L_(2) has time period 'T_(2)' Then the time period of pendulum of length (L_(1) +L_(2)) is

A simple pendulum of length L_(1) has a time period 'T_(1)' and anothe

1.	A simple pendulum of length L_(1) has a time period 'T_(1)' and another pendulum of length L_(2) has time period 'T_(2)' Then the time period of pendulum of length (L_(1) +L_(2)) is
Answer» `T_(1)+T_(2)` `SQRT(T_(1)+T_(2))` `sqrt(T_(1)T_(2))` `sqrt(T_(1)^(2)+ T_(2)^(2))` ANSWER :D