\(\rm x^4 + \frac{1}{x^4} = 194\) என்றால் \(\rm x^3 + \frac{1}{x^3} \)

x⁴ + 1/x⁴ = 194 gives x² + 1/x² = √196 = 14, and x + 1/x = √16 = 4. Then x³ + 1/x³ = 4³ − 3 × 4 = 52.