jika × + 1 per × = 3, tentukan × pangkat 8 + 1 per × pangkat 8 bantu

(x + (1/x))² = 9
x² + (1/x²) = 7

(x² + (1/x²))² = 49
x⁴ + (1/x⁴) = 47

(x⁴ + (1/x⁴))² = 47²
x⁸ + (1/x⁸) = 2207