`-118,-111,-107,.....`

`T_1 = -118`

`T_2 = -111`

`T_3 = -107`

` T_2-T_1 = -111-(-118) = 7`

`T_3-T_2 = -107-(-111) = 7`

So the sequence is a arithmetic series with initial term -118 and common difference 7.

`a = -118`

`d = 7`

In a...

(The entire section contains 109 words.)

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