| Exam Board | CAIE |
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| Module | P3 (Pure Mathematics 3) |
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| Year | 2021 |
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| Session | June |
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| Topic | Complex Numbers Arithmetic |
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| Type | Pure square root finding |
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5 The complex number \(u\) is given by \(u = 10 - 4 \sqrt { 6 } \mathrm { i }\).
Find the two square roots of \(u\), giving your answers in the form \(a + \mathrm { i } b\), where \(a\) and \(b\) are real and exact.