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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.
    It supports equations that contain mathematical functions.
    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 (50*707/r/(600-r)-1)(50*707/r/(600-r)-1) = 1/r .
    Question type: Equation
    Solution:Original question:
     (50 × 707 ÷ r ÷ (600 − r ) − 1)(50 × 707 ÷ r ÷ (600 − r ) − 1) = 1 ÷ r
     Multiply both sides of the equation by: r
     (50 × 707 ÷ r ÷ (600 − r ) − 1)(50 × 707 ÷ r ÷ (600 − r ) − 1) r = 1
    Remove a bracket on the left of the equation::
     50 × 707 ÷ r ÷ (600 − r ) × (50 × 707 ÷ r ÷ (600 − r ) − 1) r − 1(50 × 707 ÷ r ÷ (600 − r ) − 1) r = 1
    The equation is reduced to :
     35350 ÷ r ÷ (600 − r ) × (50 × 707 ÷ r ÷ (600 − r ) − 1) r − 1(50 × 707 ÷ r ÷ (600 − r ) − 1) r = 1
     Multiply both sides of the equation by:(600 − r )
     35350 ÷ 1 × (50 × 707 ÷ r ÷ (600 − r ) − 1) × 1 − 1(50 × 707 ÷ r ÷ (600 − r ) − 1) r (600 − r ) = 1(600 − r )
    Remove a bracket on the left of the equation:
     35350 ÷ 1 × 50 × 707 ÷ r ÷ (600 − r ) × 1 − 35350 ÷ 1 × 1 × 1 − 1 = 1(600 − r )
    Remove a bracket on the right of the equation::
     35350 ÷ 1 × 50 × 707 ÷ r ÷ (600 − r ) × 1 − 35350 ÷ 1 × 1 × 1 − 1 = 1 × 600 − 1 r
    The equation is reduced to :
     1249622500 ÷ r ÷ (600 − r ) − 35350 − 1(50 × 707 ÷ r ÷ (600 − r ) − 1) r (600 − r ) = 600 − 1 r
     Multiply both sides of the equation by: r
     1249622500 ÷ (600 − r ) − 35350 r − 1(50 × 707 ÷ r ÷ (600 − r ) − 1) r (600 − r ) r = 600 r − 1 r r
    Remove a bracket on the left of the equation:
     1249622500 ÷ (600 − r ) − 35350 r − 1 × 50 × 707 ÷ r ÷ (600 − r ) × r (600 − r ) r = 600 r − 1 r r
    The equation is reduced to :
     1249622500 ÷ (600 − r ) − 35350 r − 35350 ÷ r ÷ (600 − r ) × r (600 − r ) r + 1 r = 600 r − 1 r r
     Multiply both sides of the equation by:(600 − r )
     1249622500 − 35350 r (600 − r ) − 35350 ÷ 1 × 1(600 − r ) r + 1 r (600 − r ) = 600 r (600 − r ) − 1 r r (600 − r )
    Remove a bracket on the left of the equation:
     1249622500 − 35350 r × 600 + 35350 r r − 35350 ÷ 1 × 1(600 − r ) r = 600 r (600 − r ) − 1 r r (600 − r )
    Remove a bracket on the right of the equation::
     1249622500 − 35350 r × 600 + 35350 r r − 35350 ÷ 1 × 1(600 − r ) r = 600 r × 600 − 600 r r − 1 r r (600 − r )
    The equation is reduced to :
     1249622500 − 21210000 r + 35350 r r − 35350(600 − r ) r + 1 r (600 − r ) = 360000 r − 600 r r − 1 r r (600 − r )
    Remove a bracket on the left of the equation:
     1249622500 − 21210000 r + 35350 r r − 35350 × 600 r + 35350 r r = 360000 r − 600 r r − 1 r r (600 − r )
    Remove a bracket on the right of the equation::
     1249622500 − 21210000 r + 35350 r r − 35350 × 600 r + 35350 r r = 360000 r − 600 r r − 1 r r × 600 + 1 r r
    The equation is reduced to :
     1249622500 − 21210000 r + 35350 r r − 21210000 r + 35350 r r + 1 = 360000 r − 600 r r − 600 r r + 1 r r r
    The equation is reduced to :
     1249622500 − 42420000 r + 35350 r r + 35350 r r + 1 r (600 − r ) = 360000 r − 600 r r − 600 r r + 1 r r r
    Remove a bracket on the left of the equation:
     1249622500 − 42420000 r + 35350 r r + 35350 r r + 1 r × 600 = 360000 r − 600 r r − 600 r r + 1 r r r
    The equation is reduced to :
     1249622500 − 42420000 r + 35350 r r + 35350 r r + 600 r r = 360000 r − 600 r r − 600 r r + 1 r r r
    Remove a bracket on the left of the equation:
     1249622500 − 42420000 r + 35350 r r + 35350 r r + 600 r r = 360000 r − 600 r r − 600 r r + 1 r r r

    The solution of the equation:
        r1≈57.582910 , keep 6 decimal places
        r2≈76.220706 , 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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