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Posted by on Sunday, May 30, 2010 at 10:35pm.

Write the complex number in exponential form.

i

i is the complex number.

  • calculus - , Sunday, May 30, 2010 at 10:47pm

    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
    e^(iπ/2)
    = cos(π/2) + i*sin(π/2)
    = 0 + i*1
    =i

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

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