Answer:
-2, 1, 4, (4 + d) , (4+d+d) , (4+d+d)
We have to first get the common difference
[tex]d = a _{2} - a_{1} \\ d = 1 - ( - 2) \\ d = 1 + 2\\ d = 3[/tex]
Therefore sequence is:
-2, 1, 4, (4 + 3) , (4+3+3) , (4+3+3+3)
Answer: -2, 1, 4, 7 , 10 , 13
