Question

b= ( 5 la puterea 62 + 5 la puterea 61 + 5 la puterea 60 ) • 961 sa fie cub perfect

Answer 1

Răspuns:

${5}^{60} \times ( {5}^{2} + 5 + 1) \times 961 = \\ {5}^{60} \times 31 \times 961 = \\ ({5}^{20} \times 31)^{3} cub \: perfect$