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Babalola Joshua
Answers (1)
ar = 12 + a (i) ar^2 = x (ii) subtract equ (i) from equ (ii) a = 6 substituting a = 6 into equ (i) ar = 12 + a 6r = 12 + 6=18 r = 3. ar'2 = 6 * 3'2 ar'2 = 54
