Assuming the missing signs are pluses, that would work out to a^3 + 12a^2 + 14a + 5
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Let a : b = 5 : 8If the unit part is x, then a = 5x and b = 8x. So we have:5x + 8x = 18213x = 182 divide both sides by 13x = 14Then,a = 5xa = 5 x 14a = 70b = 8xb = 8 x 14b = 112
NO!!! Product means Mu;ltiply Sum means Addition (Add).
sum means addition so the sum of 5 and 2 will be 7
The magnitude of the vector sum will only equal the magnitude of algebraic sum, when the vectors are pointing in the same direction.
The exterior angles sum to 3600 , but the interior angles sum to 23400.