(radical 5+5)²=? helpppp
(radical 12-radical 2)²=???

CALCULE CU LITERE PRESCURTATTTT

Răspuns:

(√5+5)²=5+10√5+25=30+10√5 ;  (√12-√2)²=12-2√24+2=14-2√4.6=14-4√6

Explicație pas cu pas:

(radical 5+5)la 2

folosim formula (a+b) la 2

radical 5 la 2 +2·radical 5 ·5+5 la2

5+10 radical 5 + 25

30+10 radical 5

( radical 12-radical 2)la 2

(2 radical 3 - radical 2) la 2

(2 radical 3 )la 2 -2·2 radical 3 ·radical 2+(radical 2)la 2

12-4 radical 6 +2

14-4 radical 6