mckenna12conaway mckenna12conaway

20-07-2016
Mathematics

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Solve x^2 – 8x + 41 = 0 for x.

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antonio9990 antonio9990

20-07-2016

[tex]\displaystyle x^2 - 8x + 41 = 0 \\\\ \Delta=b^2-4ac \\ \Delta=(-8)^2-4\cdot1\cdot41 \\ \Delta=64-164 \\ \Delta=-100 \\ \\ X_{1,2}= \frac{-b\pm i \sqrt{-\Delta} }{2a} = \frac{8 \pm 10i}{2} \\ \\ X1=4-5i \\ \\ X2=4+5i[/tex]

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