Question

Calculati: ( 1/2 + 1/3 + 5/6 ) la puterea 2

Answer 1

( 1/2 + 1/3 + 5/6 )² =  [( 3 · 1 + 1 · 2 + 5 ) / 6 ] ² =

= [( 3 + 2 + 5 ) / 6 )² = ( 10 / 6 )² = ( 5 / 3 )² = 25 / 9

Answer 2

Răspuns:

Explicație pas cu pas:

( ³⁾1/2 + ²⁾1/3 + ¹⁾5/6 )² =  [(3+2+5)/6]² = (10/6)² = (5/3)² = 25/9