Nguyen Beck
10/29/2023 · Middle School
b. read none of magazine at all c. read exactly one of the magazines. 3. Use Mathematical induction to prove that \( x^{n}+y^{n} \) is divisible by \( x+y \) for odd natural number \( n \geq 1 \). 4. Solve the equation \( z^{6}+1=\sqrt{3} i \) where \( z \in c \).
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For the mathematical induction proof, the statement \( x^n + y^n \) is divisible by \( x + y \) for odd natural numbers \( n \geq 1 \) is proven. The solutions to the equation \( z^6 + 1 = \sqrt{3} i \) are given by \( z_k = 2^{1/6} \left( \cos\left(\frac{\pi}{9} + \frac{k\pi}{3}\right) + i \sin\left(\frac{\pi}{9} + \frac{k\pi}{3}\right) \right) \) for \( k = 0, 1, 2, 3, 4, 5 \).
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