Which term of the A.P. 35, 28, 21, ... is zero?
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8
Answer:
n = 6
Step-by-step explanation:
0 = a+ (n-1)d
0 = 35 + (n-1)-7
0 = 35 + (-7n+7)
0 = 35-7n+7
7n = 35+7
7n = 42
n = 42/7
n = 6
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0
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