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ritez
 2 years ago
Best ResponseYou've already chosen the best response.2a1 = 9 a2 = a1 + 2 = 11 a3 = a2 + 2 = 13 a4 = a3 + 2 = 15 . . . . . . . a12 = a11 + 2 = 31 this is recursive formula..

ritez
 2 years ago
Best ResponseYou've already chosen the best response.2expicit formula is An = a1 + (n  1) d An = 9 + ( n  1) 2

ritez
 2 years ago
Best ResponseYou've already chosen the best response.2in 12th row there are A12 = 9 + (12  11) 2 = 31 seats

SmokeysTheName
 2 years ago
Best ResponseYou've already chosen the best response.0thank you can you help me on 3 more pleeease ? (:

SmokeysTheName
 2 years ago
Best ResponseYou've already chosen the best response.0whatever is there thats what it is.

ritez
 2 years ago
Best ResponseYou've already chosen the best response.2z2 is nothing it should be z^2.ok lets see its solution

ritez
 2 years ago
Best ResponseYou've already chosen the best response.2z^2(1 + 1/2 + 1/2^2 + 1/2^3........1/2^15) = z^2 ( 1 . ( 1  1/2^15) over 1  1/2

ritez
 2 years ago
Best ResponseYou've already chosen the best response.2z^2 ( .99) x 2 z^2 (1.99) = 2z^2..after rounding
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