ISRO Mechanical & Aerospace 2012 - Question 31

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1 + i is equivalent to

  • A. $\sqrt{2}$ e^(-i pi/4)
  • B. $\sqrt{2}$ e^(i pi/4)
  • C. 2 e^(-i pi/4)
  • D. 2 e^(i pi/4)

Answer: B. $\sqrt{2}$ e^(i pi/4)

Explanation: Magnitude $\sqrt{2}$, angle 45 degrees.

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