Equação de 2o grau.
x²/4 - x/3 + 1/9 = 0
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mmc (3,4,9)=2²x3²=36 3-4-9 /2
3-2-9 /2
3-1-9/3
1-1-3/3
1-1-1/ 1
36/4=9
36/3=12
36/9=4
9x²-12x+4=0
12+-√(-12)²-4.9.4/2.9
12+- √144-144/18
12+- 0/18
12+-0/18= x1=12+0/18 = 12
x2=12-0/18=12
Logo x1 = x2
S={12}
3-2-9 /2
3-1-9/3
1-1-3/3
1-1-1/ 1
36/4=9
36/3=12
36/9=4
9x²-12x+4=0
12+-√(-12)²-4.9.4/2.9
12+- √144-144/18
12+- 0/18
12+-0/18= x1=12+0/18 = 12
x2=12-0/18=12
Logo x1 = x2
S={12}
PowerF:
Obrigado :)
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