Answers

2015-08-17T21:32:56+08:00
Find the terms a2, a3, a4 and a5 of a geometric sequence if a1= 10 and the common ration r= -1.

a2= a1 * r= 10* (-1)= -10
a3= a2 * r= -10 * (-1)= 10
a4= a3* r= 10 * (-1)= -10
a5= a4 * r= -10 * (-1)= 10
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