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Past exam of the mathematical methods I course of the University of Oxford / 2014 / 1

Codex (@codex,  0) ... Undergraduate course of the University of Oxford Physics course of the University of Oxford Year 1 of the physics course of the University of Oxford Mathematical methods I course of the University of Oxford Past exam of the mathematical methods I course of the University of Oxford 2014
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Multiply numerator and denominator by the denominator's complex conjugate:
5−4i3+2i​=25+16(3+2i)(5+4i)​=417+22i​.
(1)
Thus the real part is 7/41​ and the imaginary part is 22/41​.

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