Odpowiedź:
a) x^2 = 2^2 +[tex]\sqrt{3}[/tex]^2
x^2 = 4 + 3
x = [tex]\sqrt{7}[/tex]
b) 2^2 + x^2 = 5^2
4 + x^2 = 25
x^2 = 21
x = [tex]\sqrt{21}[/tex]
c) x^2 = 2*(3[tex]\sqrt{2}[/tex])^2
x^2=36
x=6
d) x^2 + 5^2 = 10^2
x^2 + 25 = 100
x^2 = 75
x = [tex]\sqrt{75}[/tex] = 5[tex]\sqrt{3}[/tex]
Szczegółowe wyjaśnienie: