Oblicz: [latex](7sqrt{18} - sqrt{8} -2 sqrt{200})^{2}= ?[/latex]
Oblicz: [latex](7sqrt{18} - sqrt{8} -2 sqrt{200})^{2}= ?[/latex]
Odpowiedź
(7√18 - √8 - 2√200)² = [7√(9*2) - √(4*2) - 2√(100*2)]² = = (7*√9*√2 - √4*√2 - 2*√100*√2)² = = (7*3√2 - 2√2 - 2*10√2)² = = (21√2 - 2√2 - 20√2)² = = (-√2)² = = 2
Dodaj swoją odpowiedź
oblicz [latex] (7sqrt{18} - sqrt{8} -2 sqrt{200} ) ^{2} =[/latex]
oblicz [latex] (7sqrt{18} - sqrt{8} -2 sqrt{200} ) ^{2} =[/latex]...