Question

Two arithmetic progression have thd same first and last terms.the first arithmetic progression has 21 terms with a common difference of 9.How many terms has the other arithmetic progression if its common difference is 4?working and answer.thans
46

Two arithmetic progression have thd same first
and last terms.the first arithmetic progression has
21 terms with a common difference of 9.How
many terms has the other arithmetic progression
if its common difference is 4?working and
answer.thans
46

Related Questions

The first, the third and the seventh terms of an increasing arithmetic progression are three consecu... if 1, 2, 7 and 20, respectively, are added to the first terms of an arithmetic progression, a geomet... The first and last terms of an arithmetic progression are 7and -33 respecctively. Find the number of... The first,third and seventh term of an arithmetic progression form three consecutive terms of a geom...