Question

zapisz w najprostszej postaci pła daje naj​

Answer 1

4√125 - 3√45 + 9√5 =

= 4 √25*5 - 3√9*5 + 9√5 =

= 4*5√5 - 3*3√5 + 9√5 =

= 20√5 - 9√5 + 9√5 =

= 20√5

√2- 2√8 + 9√32 =

= √2 - 2√4*2 + 9√16*2 =

= √2 -2*2√2 + 4*9√2 =

= √2 -4√2 +36√2 =

= 33√2