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Last updated at Dec. 8, 2016 by Teachoo
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Ex5.1, 2 Express the given Complex number in the form a + ib: i9 + i19 ๐^9 + ๐^19 = i ร ๐^8 + i ร ๐^18 = i ร (๐2)^4 + i ร (๐2)^9 Putting i2 = โ1 = i ร (โ1)4 + i ร (โ1)9 = i ร (1) + i ร (โ1) = i โ i = 0 = 0 + i 0
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