Helppp Me will give brainliest to the first correct answer!!
2 answers:
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Answer:
i
Step-by-step explanation:
i =
i^2 = -1
i^3 = -i
i^4 = 1
(Make sure you know your exponent rules)
So, we know the sum of the first 17 terms is -170, thus S₁₇ = -170, and we also know the first term is 2, well
well, since the 17th term is that much, let's check what "d" is then anyway,
well, since the 17th term is that much, let's check what "d" is then anyway,