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Question Number 184258 by universe last updated on 04/Jan/23

   2yz−4z+2x−2=0     2xz−2z+2y−4=0     2xy−4x−2y+2z+4=0     how to find the all values of the (x,y,z) ?

2yz4z+2x2=02xz2z+2y4=02xy4x2y+2z+4=0howtofindtheallvaluesofthe(x,y,z)?

Answered by SEKRET last updated on 04/Jan/23

 (0,1,−1) (0,3,1) (1,2,0)(2,1,1)(2,3,−1)

(0,1,1)(0,3,1)(1,2,0)(2,1,1)(2,3,1)

Answered by SEKRET last updated on 04/Jan/23

   { (( 2yz − 4z + 2x=2)),(( 2xz − 2z +2y =4)),(( 2xy−4x−2y+2z=−4)) :}      z= ((2−2x)/(2y−4)) = ((1−x)/(y−2))      z= ((2(2−y))/(2(x−1))) = ((2−y)/(x−1))      z= 2x+y−2−xy     ((1−x)/(y−2)) = ((2−y)/(x−1))            −(1−x)^2 =−(2−y)^2      1−x =2−y          1−x= y−2        y= 1−x             y=3−x      z= ((1−x)/(1−x−2))=((1−x)/(−1−x))=((x−1)/(x+1))      z= ((2−1+x)/(x−1))= ((1+x)/(x−1))        ((x−1)/(x+1))=((x+1)/(x−1))        (x−1)^2 =(x+1)^2           x−1= −x −1   2x=0     x=0    x=0    y=1      z= −1       y=3−x      z=((1−x)/(3−x−2))=((1−x)/(1−x))=1           x=3−y= 2      x=2  y=1    z=1      z=2x+y−2−xy=2x−xy +y−2    z= x∙(2−y) −1(2−y) = (x−1)(2−y)    z=z=z      (x−1)(2−y)=((1−x)/(y−2))       (2−y)^2 =1      y= 1      y=3        x=1     y=2       z=1     x=0    y=3    z=1    y=3    x=2     z=−1    (x−1)(2−y)  =  ((2−y)/(x−1))    (x−1)^2 =1       x=0        x=2    x=0    y=3     z=1   x=2     y=1     z=1    x=2    y=3      z= −1  (0,1,−1)  (0,3,1)    (1,2,0)    (2,1,1)  (2,3^� −1)

{2yz4z+2x=22xz2z+2y=42xy4x2y+2z=4z=22x2y4=1xy2z=2(2y)2(x1)=2yx1z=2x+y2xy1xy2=2yx1(1x)2=(2y)21x=2y1x=y2y=1xy=3xz=1x1x2=1x1x=x1x+1z=21+xx1=1+xx1x1x+1=x+1x1(x1)2=(x+1)2x1=x12x=0x=0x=0y=1z=1y=3xz=1x3x2=1x1x=1x=3y=2x=2y=1z=1z=2x+y2xy=2xxy+y2z=x(2y)1(2y)=(x1)(2y)z=z=z(x1)(2y)=1xy2(2y)2=1y=1y=3x=1y=2z=1x=0y=3z=1y=3x=2z=1(x1)(2y)=2yx1(x1)2=1x=0x=2x=0y=3z=1x=2y=1z=1x=2y=3z=1(0,1,1)(0,3,1)(1,2,0)(2,1,1)(2,3¯1)

Commented by universe last updated on 04/Jan/23

thanks sir

thankssir

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