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The 3rd and 12th terms

how do you find the 12th term of the sequence an= an-1+3 ( the n and n-1 are subscript) n>2 (also equal to)? I understand how to
1. 2 answers
2. asked by Anonymous
3. 2,363 views
The first and last terms of an a.p are 79 and 5 and it's sum is 814 find(a) the number of terms in the a.p(b)the common
1. 2 answers
2. asked by Muhammad haruna ubandawaki
3. 1,123 views
The first and last terms of an A.P. are -3 and 145,respectively.if the common different is 4.find the,a.12th,b.25th term,c.the
1. 3 answers
2. asked by Mariam
3. 808 views
The first and last terms of an A.P. are -3 and 145,respectively.if the common different is 4.find the,a.12th,b.25th term,c.the
1. 1 answer
2. asked by Stephanie
3. 96 views
The 9th and 12th terms of an A.P are 50 and 65 respectively. find the common difference and the sum of its first 70 terms
1. 1 answer
2. asked by Onah Kenneth
3. 81 views
the sum of the 4th and 8th terms is 10, and the sum of the 6th and 12th terms is 22. Find the first three terms.
1. 1 answer
2. asked by esa
3. 1,028 views
The ratio of the fourth and 12th term of a g.p. With positive common ratio is 1:256. If the difference of two terms be 61.2,
1. 4 answers
2. asked by warnar
3. 2,001 views
In an arithmetic series, the sum of the 5th to the 8th terms inclusive is 114, whilst the sum of the 12th to 15th terms
1. 1 answer
2. asked by Fasi
3. 3,642 views
The ratio of the forth and 12th terms of a g.p. with positive common ratio is 1:256. If the difference of two terms be 61.2.
1. 2 answers
2. asked by arti
3. 1,184 views
in an AP, if the 5th and 12th terms are 30 and 65 respectively. what is the sum of first 20terms
1. 1 answer
2. asked by Anonymous
3. 724 views