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Mathematics, 18.12.2019 19:31 Lizethh1

Consider the set of numbers a, 2a, 3a, na where a and n are positive integers.

(a) show that the expression for the mean of this set is .

(b) let a = 4. find the minimum value of n for which the sum of these numbers

exceeds its mean by more than 100.

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Consider the set of numbers a, 2a, 3a, na where a and n are positive integers.

(a) show...
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