Answer:
Step-by-step explanation:
Apply the formula for Arithmetic Sequence
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Answers & Comments
Answer:
Step-by-step explanation:
Apply the formula for Arithmetic Sequence
1.![a_1 = -4 \\d= 2 a_1 = -4 \\d= 2](https://tex.z-dn.net/?f=a_1%20%3D%20-4%20%20%20%20%20%20%20%20%20%20%20%5C%5Cd%3D%202)
2.![a_1 = 12\\d = -3 a_1 = 12\\d = -3](https://tex.z-dn.net/?f=a_1%20%3D%2012%5C%5Cd%20%3D%20-3)