Ask a New Question

Asked by zaituni

The third,fourth and eight term of A.P form first three consecutive term of G.P.if the sum of the first ten term of A.P is 85.calculate the first term of both A.P and G.P,common ratio and sum of 5 term of G.P
8 years ago

Answers

Answered by Scott
a = 1st term A.P. ... d = common difference

10 a + 45 d = 85 ... 2 a + 9 d = 17

(3a + 3d) / (4a + 6d) = (4a + 6d) / (8a + 28d)

two equations and two unknowns
8 years ago
Answered by bisola
(4a + 6d) (8 a + 28d)
7 years ago
Answered by Eric
Helpful for the Answer on qn above
3 years ago

Related Questions

The fourth term of an AP is 8 and the sum of the first ten terms is 40. Find the first term and the... The fourth term of A P is 37 and the 6th term is 12 more than the fourth term.find the first and the... second term is 8 and fourth term is 14.find the first term and the common difference. Fourth term of a G.P. is 40 and the tenth term is 2560. find the seventh term. If the fourth term of GP is 9 and the sixth term is 81. Find: 1) common ratio. 2) first term the third fourth and fifth terms of a geometric progression are t+4,t+10 and t+20 respectively .dete... The third,fourth and eight term of A.P form first three consecutive term of G.P.if the sum of the fi... The third,fourth and fifth terms of GP are t+4 ,t+10 and t+20 respectively. Determine the common rat... What is the fourth term of the sequence an=8n-11
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use