Five element

The geometric sequence is given by quotient q = 1/2 and the sum of the first six members S6 = 63. Find the fifth element a5.

Correct answer:

a5 =  2

Step-by-step explanation:

q=1/2=21=0.5 s6=63  s6=q1q61 a1  a1=s6 q61q1=s6 2161211=63 0.5610.51=32  a5=a1 q4=a1 214=32 0.54=2

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