根号X(根号X+根号Y)=3根号Y(根号X+5根号Y),求(X+根号XY-Y)分之(2X+根号XY+3Y)的值根号X(根号X+根号Y)=3根号Y(根号X+5根号Y),求(X+根号XY-Y)分之(2X+根号XY+3Y)的值
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根号X(根号X+根号Y)=3根号Y(根号X+5根号Y),求(X+根号XY-Y)分之(2X+根号XY+3Y)的值根号X(根号X+根号Y)=3根号Y(根号X+5根号Y),求(X+根号XY-Y)分之(2X+根号XY+3Y)的值
根号X(根号X+根号Y)=3根号Y(根号X+5根号Y),求(X+根号XY-Y)分之(2X+根号XY+3Y)的值
根号X(根号X+根号Y)=3根号Y(根号X+5根号Y),求(X+根号XY-Y)分之(2X+根号XY+3Y)的值
根号X(根号X+根号Y)=3根号Y(根号X+5根号Y),求(X+根号XY-Y)分之(2X+根号XY+3Y)的值根号X(根号X+根号Y)=3根号Y(根号X+5根号Y),求(X+根号XY-Y)分之(2X+根号XY+3Y)的值
=(5X-9Y)/(3X-17Y)
√x(√x+√y)=3√y(√x+5√y),求:[2x+√(xy)+3y]/[x+√(xy)-y]=?
√x(√x+√y)=3√y(√x+5√y)
x+√(xy)=3√(xy)+15y
x-2√(xy)-15y=0
(√x+3√y)(√x-5√y)=0
x=y=0,或√x=5√y
1.当x=y=0,[2x+√(xy)+3y]/[x+√(xy)-y]无...
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√x(√x+√y)=3√y(√x+5√y),求:[2x+√(xy)+3y]/[x+√(xy)-y]=?
√x(√x+√y)=3√y(√x+5√y)
x+√(xy)=3√(xy)+15y
x-2√(xy)-15y=0
(√x+3√y)(√x-5√y)=0
x=y=0,或√x=5√y
1.当x=y=0,[2x+√(xy)+3y]/[x+√(xy)-y]无结果(无意义);
2.当√x=5√y≠0时,
[2x+√(xy)+3y]/[x+√(xy)-y]
=[2*25|y|+5|y|+3y]/[25|y|+5|y|-y]
=[50y+5y+3y]/[25y+5y-y]
=58/29
=2
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