Question

va roggg !!! repede!!!!! dau coroana

Answer 1

mg= va×b

mg = v (v5+v3) ²× ( v5-v3)²

mg= v ( v25+v9) x ( v25- v9)

mg= v( 5+3)x (5-3)

mg= v 8 x 2

mg= v16

mg = 4

Answer 2

Explicație pas cu pas:

$m_{g} = \sqrt{ab} = \sqrt{ {(\sqrt{5} + \sqrt{3} )}^{2} {(\sqrt{5} - \sqrt{3} )}^{2} } =$

$= \sqrt{ {((\sqrt{5} + \sqrt{3} )(\sqrt{5} - \sqrt{3} ))}^{2} } = \sqrt{ {(5 - 3)}^{2} }$

$= \sqrt{ {2}^{2} } = 2$