, 16 2018 . 16:39
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X=(+)/2
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(-1)/X=X/1
SQRT (-1), SQRT - - = i
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i
: -1, i, 1, -i, -1, i, 1, -i
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EXP (iX) - EXP - , i - , -
: EXP (iX) = F
: F, dF/dX, d(dF/dX)/dX, d(d(dF/dx)/dx)/dx
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: ,
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