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Complex number 4+5(-1/2 +i square root 3/2)^334 +3(-1/2 +i square root 3/2 )^365 is equal to

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Solution:     Using -1/2 +isqrt3/2=omega , We can write the

given expression as,

                Rightarrow     4+5omega ^334+3omega ^365=4+5omega +3omega ^2=1+2omega =sqrt3i.

 

Posted by

Deependra Verma

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