Question

which of the following sequence are A.P.?If they are A.P. find the common difference.
1)2,4,6,8,..
2)2,5,3,7,..
2 3
3)-10,-6,-2,2..
4)0.3,0.33,0.333,..
5)0,-4,-8,-12,..
6)-1,-1,-1,..
5 5 5
7)3,3.3+√2,3+2√2,3+3√2,..
8)127,132,137,..​

Answer 1

Answer:

1. 2
2. not an AP
3. 4
4. not an AP
5. -4
6. 0
7. not a AP

Answer 2

Answer:

1. yes.

d = 2

2. no.

3. no.

4. yes.

d = 4

5. yes

d =4

6. no

7. no

8. yes

d= 5

Step-by-step explanation:

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