Jawab:
[tex]a. \ \ x^2 - 26 = 0\\ \\[/tex]
[tex]x^2 = 26\\ \\x = \pm \sqrt{26}[/tex]
[tex]b. \ \ x^2 + 19 = 0[/tex]
[tex]x^2 = -19\\ \\x = \pm \sqrt{(-19)} \\ \\x = \pm \ i\sqrt{19}[/tex]
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Jawab:
[tex]a. \ \ x^2 - 26 = 0\\ \\[/tex]
[tex]x^2 = 26\\ \\x = \pm \sqrt{26}[/tex]
[tex]b. \ \ x^2 + 19 = 0[/tex]
[tex]x^2 = -19\\ \\x = \pm \sqrt{(-19)} \\ \\x = \pm \ i\sqrt{19}[/tex]