Math Calculators, Lessons and Formulas
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All the problems and solutions shown below were generated using the Geometric sequences.
Find the sum of the first 6 terms of a geometric sequence if a1=20 and r=21.
Find a4 of a geometric progression if a1=1 and r=4.
Find a5 of a geometric progression if a1=1 and r=4.
Find a10 of a geometric progression if a1=8 and r=−3.
Find the sum of the first 10 terms of a geometric sequence if a1=3 and r=6.
Find the sum of the first 9 terms of a geometric sequence if a1=6 and r=2.
Find a11 of a geometric progression if a1=4 and r=21.
Find a5 of a geometric progression if a1=−5 and r=−3.
Find the sum of the first 4 terms of a geometric sequence if a1=2 and r=3.
Find a5 of a geometric progression if a1=21 and r=21.
Find the sum of the first 30 terms of a geometric sequence if a1=1 and r=2.
Find a4 of a geometric progression if a1=4 and r=6.
Find the sum of the first 6 terms of a geometric sequence if a1=8 and r=23.
Find a7 of a geometric progression if a1=2 and r=−3.
Find a9 of a geometric progression if a1=2 and r=3.
Find a18 of a geometric progression if a1=10000 and r=1.1.
Find a18 of a geometric progression if a1=20000 and r=1.1.
Find a20 of a geometric progression if a1=20000 and r=1.1.
Find a11 of a geometric progression if a1=4 and r=−2.
Find the sum of the first 4 terms of a geometric sequence if a1=2 and r=2.
Find a5 of a geometric progression if a1=2 and r=−3.
Find a6 of a geometric progression if a1=101 and r=9.
Find a11 of a geometric progression if a1=−1 and r=−2.
Find a10 of a geometric progression if a1=1 and r=9.
Find a6 of a geometric progression if a1=53 and r=−5.
Find a15 of a geometric progression if a1=10000 and r=1.1.
Find a15 of a geometric progression if a1=30000 and r=1.1.
Find the sum of the first 5 terms of a geometric sequence if a1=−5 and r=−3.
Find a8 of a geometric progression if a1=103 and r=2.
Find the sum of the first 5 terms of a geometric sequence if a1=1 and r=6.
Find a8 of a geometric progression if a1=1 and r=21.
Find a10 of a geometric progression if a1=6 and r=32.
Find the sum of the first 10 terms of a geometric sequence if a1=25 and r=−2.
Find a8 of a geometric progression if a1=2 and r=5.
Find the sum of the first 9 terms of a geometric sequence if a1=2 and r=2.
Find the sum of the first 10 terms of a geometric sequence if a1=512 and r=21.
Find a13 of a geometric progression if a1=4 and r=−4.
Find the sum of the first 7 terms of a geometric sequence if a1=100 and r=1001.
Find a7 of a geometric progression if a1=4 and r=31.
Find the sum of the first 8 terms of a geometric sequence if a1=4 and r=21.
Find a8 of a geometric progression if a1=−4 and r=4.
Find the sum of the first 8 terms of a geometric sequence if a1=6 and r=3.
Find a12 of a geometric progression if a1=4 and r=3.
Find a7 of a geometric progression if a1=−4 and r=−5.
Find a10 of a geometric progression if a1=72 and r=32.
Find a8 of a geometric progression if a1=−2 and r=−4.
Find a5 of a geometric progression if a1=4 and r=23.
Find a10 of a geometric progression if a1=81 and r=31.
Find the sum of the first 9 terms of a geometric sequence if a1=−8 and r=−41.