Question

The sequence -2,2,-2,2,-2 …… is in A.P True or False ? ​

Answer 1

Answer:

TRUE (CORRECT ANSWER)

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Answer 2

Answer:

False

Step-by-step explanation:

In order to solve the problem you need to check if it is an Ap by finding its common difference d.

The given Ap is -2,2,-2,2....

We see from the Ap That the first, second, third and fourth term is

a1 = -2

a2 = 2

a3 = -2

a4 = 2

common difference

a2 - a1 = d1

2 - (-2) = 4

a3 - a2 = d2

-2 - 2 = -4

Hence, d is not common

so answer is false

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