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Write the complex number in exponential form.


i is the complex number.

  • calculus -

    Since i=sqrt(-1), we can suggest
    i=(-1)^(1/2) in exponent form.

    Also, since
    e^(ix)=cos(x) + i*sin(x)
    we put x=π/2 to get
    = cos(π/2) + i*sin(π/2)
    = 0 + i*1

    However, i is also on the left-hand expression, so it is probably not the answer sought after.

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