Question

Ajutor dau coroana !

Answer 1

Răspuns:

$-2*\frac{\sqrt{72} }{12}=-2*\frac{\sqrt{36*2} }{12}=-2*\frac{6*\sqrt{2} }{12}=-\frac{12*\sqrt{2} }{12}=-\sqrt{2}$

Explicație pas cu pas:

Answer 2

- 2√72/12 =

= - 2√2×6²/12

= - 2×6√2/12

= - 12√2/12

= - √2