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`


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