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As with much of complex number the trick here is to change forms to polar representation.If you think of an argand diagram the number i will be represented as a point straight up on the imaginary...

This is a common IB question- fairly tricky the first time you com across it!

This is an important theory when looking at the domestic division of labour from a functionalist perspective. Parsons (1955) argues that in the nuclear family the husband and wife have different separa...