Overview: 3 questions will be solved this time.Among them
☆3 equations
[ 1/3 Equation]
Work: Find the solution of equation (sqrt(x^2-16)-4)^2+(2*(sqrt(x^2-16)-4))^2 = x^2 .
Question type: Equation
Solution:
The solution of the equation:
x1=-√80
x2=-√20
x3=√20
x4=√80
There are 4 solution(s).
解程的详细方法请参阅:《方程的解法》[ 2/3 Equation]
Work: Find the solution of equation sqrt5*(sqrt(x^2-16)-4) = x .
Question type: Equation
Solution:
The solution of the equation:
x1=-√20
x2=√80
There are 2 solution(s).
解程的详细方法请参阅:《方程的解法》[ 3/3 Equation]
Work: Find the solution of equation x^2-2*sqrt(5)*x-160 = 0 .
Question type: Equation
Solution:
The solution of the equation:
x1≈-10.609165 , keep 6 decimal places
x2≈15.081301 , 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 go to the Hot Problems section!