Question

3.
Find the first term and common difference for each of the A.P.
175, 1, -3, -7,
​

Answer 1

Step-by-step explanation:

this can be called as a series but not an arithmetic progression there is no first term and common difference because it cannot be called as a arithmetic progression

Answer 2

Answer:

175,1,-3,-7

First term (a) = 175

Common difference (d) = 1-175

= -174

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