Question

scoateți factori de sub radical
$- 2 \sqrt{192}$
$\sqrt{180}$
$5 \sqrt{200}$
$- \sqrt{250}$
​

Answer 1

Răspuns:

192= 2^6×3 deci

$- 2 \sqrt{192} = - 16 \sqrt{3}$

180=2^2×3^2×5 deci

$\sqrt{180} = 6 \sqrt{5}$

200=2^3×5^2 deci

$5 \sqrt{200} = 50 \sqrt{2}$

250=5^3×2 deci

$- \sqrt{250} = - 5 \sqrt{10}$