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

[ 1/1 Equation]
    Work: Find the solution of equation 4*6.37*10^5*4200*（1+x^2）+8.4*10^8*32-235*3.14*4200^3*（1-x^4） = 0 .
    Question type: Equation
    Solution:
    The solution of the equation:
        x₁≈-0.999779 , keep 6 decimal places
        x₂≈0.999779 , keep 6 decimal places    
    There are 2 solution(s).

解程的详细方法请参阅：《方程的解法》

Your problem has not been solved here? Please take a look at the  hot problems ！