Question
${(1 + i)^8} + {(1 - i)^8}$ का मान है
$ \Rightarrow {(1 + i)^8} + {(1 - i)^8} = {(2i)^4} + {( - 2i)^4}$$ = {2^4}({i^4} + {i^4})$$ = {2^5} = 32.$
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