Question

common difference (d) A.P. 3,1,-1,-3 is​

Answer 1

Answer:

It can be said that a = 3. d = -2. Hence, first term is 3 and common difference is -2.

Step-by-step explanation:

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Answer 2

SOLUTION

TO DETERMINE

The common difference of 3 , 1 , - 1 , - 3

EVALUATION

Here the given progression is

3 , 1 , - 1 , - 3

First term = 3

Second Term = 1

Third term = - 1

Fourth term = - 3

Second Term - First term = 1 - 3 = - 2

Third term - Second Term = - 1 - 1 = - 2

Thus common difference exists

So the terms are in Arithmetic Progression

Hence the required common difference = - 2

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