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  • Roma
  • Community Manager
2010-01-13T23:41:24+01:00
a = 5¹⁶ + 25⁷ / 26 × 5¹² = 5¹⁶ + (5²)⁷ / 26 × 5¹² = 5¹⁶ + 5¹⁴ / 26 × 5¹² = 5¹⁴ × (5² + 1) / 26 × 5¹² = 5² × (25 + 1) / 26 = 5² × 26 / 26 = 5² = 25
a⁻¹ = 25⁻¹ = 1/25¹ = 1/25

b = (4√2 - 2√3)(4√2 + 2√3) = (4√2)² - (2√3)² = 16×2 - 4×3 = 32 - 12 = 20
b⁻¹ = 20⁻¹ = 1/20¹ = 1/20

a⁻¹ < b⁻¹
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