Question

7,7,7,7,7,................ Which type ap

Answer 1

Answer:

It is not an AP because the difference between all terms is 0.

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Answer 2

Given :

7 ,7 , 7 ,7 ,7 , ........

Solution :

$a = 7 \\ a _{2} = 7 \\ a_{3} = 7 \\ a _{4} = 7 \\ a _{5} = 7$

$d = a _{2} - a _{1} = 7 - 7 = 0\\ d = a _{3} - a _{2} = 7 - 7 = 0\\ d = a _{4} - a _{3} = 7 - 7 = 0\\ d = a _{5} - a _{4} = 7 - 7 = 0$

Since , common difference ( d ) is same in all the cases

The given sequence forms an AP .....

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