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Complex Numbers · 2022 · 26 Jun · Shift 2

1 Mathematics questions from this JEE Main paper

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JEE Main
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2022 · 26 Jun · Shift 2
Mathematics
Complex Numbers

Complex Numbers · 2022 · 26 Jun · Shift 2

1 Mathematics questions from this JEE Main paper

Q41.If $z^{2} + z + 1 = 0$ , $z \in C$ , then $n = 1 \sum 15 (z^{n} + (- 1)^{n} \frac{1}{z ^{n}})^{2}$ is equal to .
Mathematics · Complex Numbers · Numerical