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answers in the numerator NB in this case m-n = 3-(-2)! x3 x-2 a9 a5 am an =x =a =am–n answers with positive indices am an =am–n v-3 v5 u11 u4 = = v u 1 1 answers in the numerator only variables go in the numerator -3a3 12x9 -4x6 9a9 am an = =am–n = x a answers with positive indices -2v4 am an -3u7 -6u3 8v7 =am–n = = u 1 v answers with positive indices -2v-2w6 am an -10u9 8w-1v5 5w6u7 =am–n = = answers with positive indices am an -2v-2u8 9u-3v-5 6v-2u2 -6u2 =am–n = = variables in alphabetical order answers in the numerator -3v7u-5 8v-2w5 6w-1v5 6u3v-2 am an =am–n = = variables in alphabetical order |