i)Which of the following form an AP? Justify your answer.
–1, –1, –1, –1, ...
ii)
Which of the following form an AP? Justify your answer.
0, 2, 0, 2, ...
iii)
Which of the following form an AP? Justify your answer.
1, 1, 2, 2, 3, 3,...
iv)
Which of the following form an AP? Justify your answer.
11, 22, 33,...
v)
Which of the following form an AP? Justify your answer.
vi)
Which of the following form an AP? Justify your answer.
vii)
Which of the following form an AP? Justify your answer.
i)
Answer. [True]
Solution.
Here the difference of the successive term is same hence it is an AP.
ii)
Answer. [No]
Solution.
Here the difference successive term is not same. Hence it is not an AP.
iii)
Answer. [No]
Solution.
Here the difference successive term is not the same. Hence it is not an AP.
iv)
Answer. [Yes]
Solution.
Here the difference of the successive term is same. Hence it is an AP.
v)
Answer. [No]
Solution.
Here the difference between the successive terms is not the same. Hence it is not an AP.
vi)
Answer. [No]
Solution.
Here the difference of the successive terms is not the same. Hence it is not an AP.
vii)
Answer. [Yes]
Solution.
Here the difference of the successive term is the same. Hence it is an AP.