3-Arithmetic Progression
Sequence: A set of numbers where the numbers are arranged in a definite order,is called a sequence.
Arithmetic Progression:In a sequence if difference ( tn+1-tn)is constant then the sequence is called an arithmetic Progression.
Que. Which of the following sequences are A.P.find the common difference
1)2,4,6,8,…
Solution: Here t1=2 t2=4 t3=6. t4=8…
t2-t1=4-2=2
t3-t2=6-4=2
t4-t3=8-6=2
The difference between any two consecutive term is constant i.e.d=2
The given sequence is in A.P.
4)0.3,0.33,0.333,…
Solution: t1=0.30. t2=0.33. t3=0.333 …
t2-t1=0.33-0.30=0.03
t3-t2=0.333-0.300=0.033
The difference between any two consequence term is not constant.
The sequence is not an A.P
2)2,5/2,3,7/2,…
3)-10,-6,-2,2,…
5)0,-4,-8,-12,…
6)-1/5,-1/5,-1/5,…
7)3,3+√2,3+2√2,3+3√2,…
8)128,132,127,…
9)5,12,19,26,…
10)1,1,2,2,3,3,…
@ @ @STD X @ @ @ Algebra @@@ Arithmetic Progression 1@@ Mr.Yashwant TAKAlE (M.Sc.B.Ed.)
Sequence: A set of numbers where the numbers are arranged in a definite order,is called a sequence.
Arithmetic Progression:In a sequence if difference ( tn+1-tn)is constant then the sequence is called an arithmetic Progression.
Que. Which of the following sequences are A.P.find the common difference
1)2,4,6,8,…
Solution: Here t1=2 t2=4 t3=6. t4=8…
t2-t1=4-2=2
t3-t2=6-4=2
t4-t3=8-6=2
The difference between any two consecutive term is constant i.e.d=2
The given sequence is in A.P.
4)0.3,0.33,0.333,…
Solution: t1=0.30. t2=0.33. t3=0.333 …
t2-t1=0.33-0.30=0.03
t3-t2=0.333-0.300=0.033
The difference between any two consequence term is not constant.
The sequence is not an A.P
2)2,5/2,3,7/2,…
3)-10,-6,-2,2,…
5)0,-4,-8,-12,…
6)-1/5,-1/5,-1/5,…
7)3,3+√2,3+2√2,3+3√2,…
8)128,132,127,…
9)5,12,19,26,…
10)1,1,2,2,3,3,…
@ @ @STD X @ @ @ Algebra @@@ Arithmetic Progression 1@@ Mr.Yashwant TAKAlE (M.Sc.B.Ed.)
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