Odpowiedź :
Odpowiedź:
e) 1^2 + 2^2 = x^2
1 + 4 = x^2
5 = x^2
x = [tex]\sqrt{5\\}[/tex]
f) x^2 + 2^2 = 9^2
x^2 + 4 = 81
x^2 = 81 - 4
x^2 = 78
x = [tex]\sqrt{78\\}[/tex]
Odpowiedź:
e) 1^2 + 2^2 = x^2
1 + 4 = x^2
5 = x^2
x = [tex]\sqrt{5\\}[/tex]
f) x^2 + 2^2 = 9^2
x^2 + 4 = 81
x^2 = 81 - 4
x^2 = 78
x = [tex]\sqrt{78\\}[/tex]