In angle ABC the measure of Angle B is 13 more than the measure of Angle A and the measure of angle C is 9 less than twice the m
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The sum is 294903.
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This is the sum of 15 terms of a geometric sequence with first term 9 and common ratio 2. That sum is given by the formula
The sum is 294903.
_____
This is the sum of 15 terms of a geometric sequence with first term 9 and common ratio 2. That sum is given by the formula