Question

calculati 81 la puterea 12 + 9 la puterea 24
si 27 la puterea 15 + 3 la puterea 45
repede va rog

Answer 1

81¹² = (3⁴)¹² = 3 ⁴⁸   ;    9²⁴=(3²)²⁴=3⁴⁸  => 3⁴⁸ + 3⁴⁸ = 2*3⁴⁸ ;

27¹⁵+3⁴⁵ = (3³)¹⁵ + 3⁴⁵ = 3⁴⁵+3⁴⁵ = 2*3⁴⁵ ;