Resposta: 1/2
Prova: Metade de 1/2 = 1/2 x 1/2 = (1/2) ²
2006-08-12 11:27:49
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answer #1
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answered by Alberto 7
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2⤊
0⤋
0,5
X.X=X/2
2X.X=X
2X.X/X=1
2X=1
X=1/2
X=0,5
0,5(0,5)=0,25
2(0,25)=0,5
2006-08-12 16:51:31
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answer #2
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answered by Anonymous
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1⤊
0⤋
Resposta: 1/2 (=0,5)
Prova: x² = x/2, logo, dividindo ambos os membros por x...
teremos x = 1/2 (=0,5).
2006-08-16 18:20:07
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answer #3
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answered by Vert 2
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0⤊
0⤋
0,5
0,5 x 0,5 = 0,25
0,5 / 2 = 0,25
2006-08-13 11:05:44
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answer #4
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answered by Isso! 3
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x^2 = x/2
x^2 -x/2 = 0
x(x-1/2) = 0. Assim, x é 0 ou x é 1/2
Eu estou pensando se eu posso achar uma demostração geométrica
Ana
2006-08-12 21:46:17
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answer #5
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answered by Ilusion 4
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0⤋
x*=1/2x
x*-1/2x=0
x(x-1/2)=0
x=0
x=1/2
R: x=1/2, nao pode ser zero pq 0*=0 e 1/2* = 1/4, logo x=1/2
2006-08-12 17:02:45
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answer #6
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answered by Sula 5
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1/2 . 1/2 = 1/4
2006-08-12 16:59:36
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answer #7
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answered by Anonymous
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0⤋
Quando o numero e negativo
2006-08-12 16:50:19
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answer #8
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answered by Anonymous
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0⤋
resposta ; 2
2 ao quadrado = 4
a metade de 4 =.....
bingo
2006-08-12 16:51:20
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answer #9
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answered by patraca 3
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0⤊
2⤋