The value of ((30), (0))((30), (10))-((3...

The value of `((30), (0))((30), (10))-((30), (1))((30),( 11)) +((30), (2))((30), (12))+.....+((30), (20))((30), (30))=` `^60 C 20` b. `^30 C 10` c. `^60 C 30` d. `^40 C 30`

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