Complex Numbers And Quadratic Equations question 389

Question: The value of $ {{(1+i)}^{5}}\times {{(1-i)}^{5}} $ is [Karnataka CET 1992]

Options:

  • 8

B) $8i$

8

32

Show Answer

Answer:

Correct Answer: D

Solution:

$ {{(1+i)}^{5}}{{(1-i)}^{5}}={{(1-i^{2})}^{5}}=({2})^{5}=32 $



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