"Ho̍k-cha̍p-sò͘" pán-pún chi-kan bô-kāng--ê tē-hng
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Tē 1 chōa:
[[image:complex.png|thumb|256px|[[Ho̍k-cha̍p-sò͘]] ''x'' + ''
Tī [[sò͘-ha̍k]], '''ho̍k-cha̍p-sò͘''' (complex number) sī 1 ê seⁿ chò <math> a + bi \,</math> chit hō hêng ê [[sò͘-ba̍k]], lāi-té ê ''a'' ham ''b'' sī [[si̍t-sò͘]], ''i'' sī [[hi-sò͘]] (imaginary number) ê [[hi-sò͘ tan-ūi-goân]] (imaginary unit), ū ''i'' <sup>2</sup> = −1 ê sèng-chit. Si̍t-sò͘ ''a'' sī ho̍k-cha̍p-sò͘ ê ''[[si̍t-pō͘]]'' (real part), si̍t-sò͘ ''b'' sī ''[[hi-pō͘]]'' (imaginary part). Hi-pō͘ ''b'' nā sī 0, ho̍k-cha̍p-sò͘ tō pìⁿ-chiâⁿ si̍t-sò͘ ''a'' niā-niā.
Tē 6 chōa:
Ho̍k-cha̍p-sò͘ chhin-chhiūⁿ si̍t-sò͘ ē-tàng ke, kiám, sêng, tû; m̄-koh in ū koh khah chē chin chán ê sèng-chit. Khó-pí kóng, si̍t-sò͘ bē-tàng hō͘ [[chē-hāng-sek]] lóng ū si̍t-sò͘ ê tap-àn, m̄-koh ho̍k-cha̍p-sò͘ ē-sái.
Ū koá to͘-ha̍p, ho̍k-cha̍p-sò͘ ē siá chò ''a'' + ''bj'', pí-lūn kóng kā ''i'' the̍h lâi piáu-sī [[tiān-liû]] ê [[tiān-chú kang-têng]].
{{phí}}
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