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On line Solution of Monovariate Equation:
    Input any unary equation directly, and then click the "Next" button to obtain the solution of the equation.
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    Current location:Equations > Monovariate Equation > The history of univariate equation calculation > Answer

    Overview: 1 questions will be solved this time.Among them
           ☆1 equations

[ 1/1 Equation]
    Work: Find the solution of equation 36(1+0.26w×0.26w) = w×w×(1+0.2w×0.2w)×(1+0.05w×0.05w)×(1+0.13w×0.13w) .
    Question type: Equation
    Solution:Original question:
     36(1 +
13
50
w ×
13
50
w ) = w w (1 +
1
5
w ×
1
5
w )(1 +
1
20
w ×
1
20
w )(1 +
13
100
w ×
13
100
w )
    Remove the bracket on the left of the equation:
     Left side of the equation = 36 × 1 + 36 ×
13
50
w ×
13
50
w
                                             = 36 +
1521
625
w w
    The equation is transformed into :
     36 +
1521
625
w w = w w (1 +
1
5
w ×
1
5
w )(1 +
1
20
w ×
1
20
w )(1 +
13
100
w ×
13
100
w )
    Remove the bracket on the right of the equation:
     Right side of the equation = w w × 1(1 +
1
20
w ×
1
20
w )(1 +
13
100
w ×
13
100
w ) + w w ×
1
5
w ×
1
5
w (1 +
1
20
w ×
1
20
w )
                                               = w w × 1(1 +
1
20
w ×
1
20
w )(1 +
13
100
w ×
13
100
w ) + w w ×
1
25
w w (1 +
1
20
w ×
1
20
w )(1 +
13
100
w ×
13
100
w )
                                               = w w × 1 × 1(1 +
13
100
w ×
13
100
w ) + w w × 1 ×
1
20
w ×
1
20
w
                                               = w w × 1(1 +
13
100
w ×
13
100
w ) + w w ×
1
400
w w (1 +
13
100
w ×
13
100
w ) + w w
                                               = w w × 1 × 1 + w w × 1 ×
13
100
w ×
13
100
w + w
                                               = w w × 1 + w w ×
169
10000
w w + w w ×
1
400
w
                                               = w w × 1 + w w ×
169
10000
w w + w w ×
1
400
w
                                               = w w × 1 + w w ×
169
10000
w w + w w ×
1
400
w
                                               = w w × 1 + w w ×
169
10000
w w + w w ×
1
400
w
                                               = w w × 1 + w w ×
169
10000
w w + w w ×
1
400
w
                                               = w w × 1 + w w ×
169
10000
w w + w w ×
1
400
w
                                               = w w × 1 + w w ×
169
10000
w w + w w ×
1
400
w
                                               = w w × 1 + w w ×
169
10000
w w + w w ×
1
400
w
                                               = w w × 1 + w w ×
169
10000
w w + w w ×
1
400
w
    The equation is transformed into :
     36 +
1521
625
w w = w w × 1 + w w ×
169
10000
w w + w w ×
1
400
w

    The solution of the equation:
        w1≈-5.518590 , keep 6 decimal places
        w2≈5.518590 , keep 6 decimal places
    
    There are 2 solution(s).


解程的详细方法请参阅:《方程的解法》



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