Simpllify 3+2i-5+6i 2-i
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Originally Posted by Cheah Pooi See Simpllify 3+2i-5+6i 2-i Hint: $\displaystyle \frac {5 + 6i}{2 - i} = \frac {5 + 6i}{2 - i} \cdot \frac {2 + i}{2 + i}$
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