Difference 81849

Determine four numbers so that the first three form the successive three terms of an arithmetic sequence with difference d=-3 and the last three form the next terms of a geometric sequence with quotient q=one half.

Final Answer:

a1 =  9
a2 =  6
a3 =  3
a4 =  1.5

Step-by-step explanation:

a4=q a3=0.5 3=1.5



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