Question

${3}^{72} + 2 \times {3}^{73} + {3}^{74}$
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Answer 1

Răspuns:

3^72(1+6+9)=3^72 x 16=(3^36 x4)^2

Explicație pas cu pas:

Answer 2

Răspuns:

3⁷²+2·3⁷³+3⁷⁴=

dam factor comun 3⁷²

3⁷²·(1+2·3+3²)=3⁷²·(1+6+9)=3⁷²·16=(3²)³⁶·(2²)²=(3³⁶·4)² patrat perfect