Question

Radical din 7 la puterea a 4 ori 4
Si descompunere

Answer 1

Răspuns:

Explicație pas cu pas:

√(7⁴ × 4) = √[ (7²)² × 2² ] = √(49² × 2²) = 49 × 2 = 98

Answer 2

 

$\displaystyle\bf\\ \sqrt{7^4\times4}=\\\\=\sqrt{7^{2\times2}\times2^2}=\\\\=\sqrt{\Big(7^2\Big)^2\times2^2}=\\\\=\sqrt{\Big(7^2\times2\Big)^2}=\\\\=7^2\times2=49\times2=\boxed{\bf98}$