given a = 3, n = 8, S = 192, find d.
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the answer is d=6.If satisfied from this answer please market brilliant
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Answer: d = 27
S= a+[n-1] d
192= 3+[7] d
192-3= 7d
189/7= d
d=27
sorry I had made a mistake don't take this answer. the previous answer is correct. sorry I would help you next time...
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