Mathematics, 23.10.2019 18:00 ChloeN8912
If 2, a, b, −54 forms a geometric sequence, find the values of a and b.
Answers: 3
for all 
, where r ≠ 0 is the common ratio and 
is the first term of the sequence
.
is the second term of the sequence and 
is the third term.
and the value of 
to find r.
.
for all 
.
.
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If 2, a, b, −54 forms a geometric sequence, find the values of a and b....
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