Odpowiedź:
e = 3 f
[tex]a^2 = ( 0,5 e)^2 + ( 0,5 f )^2 = ( 1,5 f)^2 + ( 0,5 f )^2 = 2,25 f^2 + 0,25f^2 = 2,5 f^2[/tex]
[tex]a^2 = \frac{5}{2} f^2[/tex]
a = [tex]\frac{\sqrt{5}}{\sqrt{2} } f = \frac{\sqrt{10} }{2} f[/tex]
a : ( 3 f ) = [tex]\frac{\sqrt{10} }{2} f : ( 3f ) =[/tex][tex]\frac{\sqrt{10} }{6}[/tex] < [tex]\frac{2}{5}[/tex]
bo
[tex][ \frac{\sqrt{10} }{6} ]^2 = \frac{10}{36} = \frac{5}{18}[/tex] a [tex][ \frac{2}{5} ]^2 = \frac{4}{25}[/tex]
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Odpowiedź:
e = 3 f
[tex]a^2 = ( 0,5 e)^2 + ( 0,5 f )^2 = ( 1,5 f)^2 + ( 0,5 f )^2 = 2,25 f^2 + 0,25f^2 = 2,5 f^2[/tex]
[tex]a^2 = \frac{5}{2} f^2[/tex]
a = [tex]\frac{\sqrt{5}}{\sqrt{2} } f = \frac{\sqrt{10} }{2} f[/tex]
a : ( 3 f ) = [tex]\frac{\sqrt{10} }{2} f : ( 3f ) =[/tex][tex]\frac{\sqrt{10} }{6}[/tex] < [tex]\frac{2}{5}[/tex]
bo
[tex][ \frac{\sqrt{10} }{6} ]^2 = \frac{10}{36} = \frac{5}{18}[/tex] a [tex][ \frac{2}{5} ]^2 = \frac{4}{25}[/tex]
Szczegółowe wyjaśnienie: