Overview: 2 questions will be solved this time.Among them
☆2 equations
[ 1/2 Equation]
Work: Find the solution of equation (x^2+13x+14)/(520x^2-13x-14) = 0 .
Question type: Equation
Solution:
After the equation is converted into a general formula, there is a common factor:
( √3500000x +√488585817 )
From
√3500000x +√488585817 = 0
it is concluded that::
Solutions that cannot be obtained by factorization:
x2≈-1.184927 , keep 6 decimal places
x3≈-0.152058 , keep 6 decimal places
x4≈0.177058 , keep 6 decimal places
There are 4 solution(s).
解程的详细方法请参阅:《方程的解法》[ 2/2 Equation]
Work: Find the solution of equation (x^2-14x+13)/(520x^2+14x-13) = 0 .
Question type: Equation
Solution:
After the equation is converted into a general formula, there is a common factor:
( x - 1 )( x - 13 )
From
x - 1 = 0
x - 13 = 0
it is concluded that::
Solutions that cannot be obtained by factorization:
x3≈-0.172147 , keep 6 decimal places
x4≈0.145224 , keep 6 decimal places
There are 4 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 go to the Hot Problems section!