The second term of a g.p. Is 27 and 7th term is 1/9. Find the first term and the common ratio.
3 answers
Please help me
again?
ar^6 = 1/9
ar = 27
divide, and you have
r^5 = 1/3^5
r = 1/3
So, a=81
ar^6 = 1/9
ar = 27
divide, and you have
r^5 = 1/3^5
r = 1/3
So, a=81
The second term of g.p.is 27and 7th term 1/9 find the first term and the common ratio
2 answers