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    				| 1. | `(1 + i)^(4) (1 + (1)/(i))^(4)` को सरल कीजिए। | 
| Answer» `(1 + i)^(4) + (1 + (1)/(i))^(4) = (1 + i)^(4) (1 + (i)/(i^(2)))^(4)` `= (1 + i)^(4) (1 - i)^(4)` `= [(1 + i) (1 -i)]^(4)` `= (1 - i^(2))^(4)` `= (1 + 1)^(4) = 2^(4)` `= 16` | |