Asked by Anonymous

The second and fifth term of a geometric progression are 21 and 567 respectively. Find the first term and the common ratio of the progression

Answers

Answered by Steve
the 5th terms is the 3rd after the 2nd term, so their ratio is r^3. Thus,

r^3 = 567/21 = 27
r = 3
a = 21/3 = 7
Answered by G
Chu
Answered by Anonymous
If 8x,y-4 are in A.P find p and q
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