Question

Write the first term and the common difference of the A.P 3,1,-1,-3​

Answer 1

Answer:

First term= 3

Common Difference= -2

Step-by-step explanation:

to find common difference:

subtract second term from the first term...

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Answer 2

Answer:

first term=3

common difference = -2

Step-by-step explanation:

given

AP= 3,1,-1,-3.

A1=3 ,A2=1

common difference =A2 - A1

= 1 - 3

= -2