For the following AP, write the first term and the common difference
$3, 1, - 1, - 3$

First term:

- 3

and Common difference:

2

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First term:

- 1

and Common difference:

- 3

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First term:

1

and Common difference:

3

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First term:

3

and Common difference:

- 2

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Solution

The correct option is D First term: $3$ and Common difference: $- 2$
Given series is $3, 1, - 1, - 3, . . . . . .$
First term $a = 3$
And common difference $d = a_{2} - a_{1}$
$= 1 - 3$
$= - 2$ .

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For the following AP, write the first term and the common difference3,1,−1,−3

The correct option is D First term: 3 and Common difference: −2Given series is 3,1,−1,−3,......First term a=3 And common difference d=a2−a1=1−3=−2.

For the following AP, write the first term and the common difference
$3, 1, - 1, - 3$

The correct option is D First term: $3$ and Common difference: $- 2$
Given series is $3, 1, - 1, - 3, . . . . . .$
First term $a = 3$
And common difference $d = a_{2} - a_{1}$
$= 1 - 3$
$= - 2$ .