Question

aratati ca nr sunt patrate perfecte d=49^5×64^19​

Answer 1

Răspuns:

$\bf d = ({7}^{5}\cdot {8}^{19})^{2} \implies \: patrat \: perfct$

Explicație pas cu pas:

$\bf d = 49^{5} \cdot64^{19}$

$\bf d = ({7}^{2}) ^{5} \cdot ({8}^{2}) ^{19}$

$\bf d = ({7}^{5})^{2}\cdot ({8}^{19})^{2}$

$\bf d = ({7}^{5}\cdot {8}^{19})^{2} \implies \: patrat \: perfct$

==pav38==