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           ☆1 equations

[ 1/1 Equation]
    Work: Find the solution of equation y-2/y-1 = 0 .
    Question type: Equation
    Solution:Original question:

y

−

2

÷

y

−

1

=

0

Multiply both sides of the equation by:

y

y

y

−

2

−

1

y

=

0

    After the equation is converted into a general formula, it is converted into:
    ( y + 1 )( y - 2 )=0
    From
        y + 1 = 0
        y - 2 = 0
    it is concluded that:：
        y₁=-1
        y₂=2    
    There are 2 solution(s).

解一元二次方程的详细方法请参阅：《一元二次方程的解法》

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