Equations
Fold
Math OP
Unfold
Linear algebra
Unfold
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.
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 (-2)*e^(-x) = 3.1415926*cos(3.1415926/2*x) .
Question type: Equation
Solution:
The solution of the equation:
x2=13, it is the incremental root of the eqution.
x3=15, it is the incremental root of the eqution.
x4=17, it is the incremental root of the eqution.
x5=19, it is the incremental root of the eqution.
x6≈1.131642 , keep 6 decimal places
x7≈2.979399 , keep 6 decimal places
x8≈5.002723 , keep 6 decimal places
x9≈6.999630 , keep 6 decimal places
x10≈10.999993 , keep 6 decimal places
There are 10 solution(s).
There is(are) 5 additive root(s) and 5 real solutions.(Note:additive root, generated by computer, but not suitable for this equation.)
*Note: Radian.
解程的详细方法请参阅：《方程的解法》
☆1 equations
[ 1/1 Equation]
Work: Find the solution of equation (-2)*e^(-x) = 3.1415926*cos(3.1415926/2*x) .
Question type: Equation
Solution:
The solution of the equation:
| x1=9 | , it is the incremental root of the eqution. |
x2=13, it is the incremental root of the eqution.
x3=15, it is the incremental root of the eqution.
x4=17, it is the incremental root of the eqution.
x5=19, it is the incremental root of the eqution.
x6≈1.131642 , keep 6 decimal places
x7≈2.979399 , keep 6 decimal places
x8≈5.002723 , keep 6 decimal places
x9≈6.999630 , keep 6 decimal places
x10≈10.999993 , keep 6 decimal places
There are 10 solution(s).
There is(are) 5 additive root(s) and 5 real solutions.(Note:additive root, generated by computer, but not suitable for this equation.)
*Note: Radian.
解程的详细方法请参阅：《方程的解法》