Mister Exam
Other calculators
-
How to use it?
- Equation:
- Equation a^2*x^2-21*a^2+a*x+1=0
-
Equation 5-x=4(x-3)
-
Equation exp(x)=0
-
Equation 3^x=8
- Express {x} in terms of y where:
- 9*x-19*y=-20
- 15*x+17*y=-10
- -11*x-18*y=6
- -7*x-5*y=-17
-
Identical expressions
- - zero , nine *x-arctg(ten *x)-arctg(zero . five *x)=- three *pi/ eight
- minus 0,9 multiply by x minus arctg(10 multiply by x) minus arctg(0.5 multiply by x) equally minus 3 multiply by Pi divide by 8
- minus zero , nine multiply by x minus arctg(ten multiply by x) minus arctg(zero . five multiply by x) equally minus three multiply by Pi divide by eight
- -0,9x-arctg(10x)-arctg(0.5x)=-3pi/8
- -0,9x-arctg10x-arctg0.5x=-3pi/8
- -0,9*x-arctg(10*x)-arctg(0.5*x)=-3*pi divide by 8
-
Similar expressions
- -0,9*x-arctg(10*x)-arctg(0.5*x)=+3*pi/8
- 0,9*x-arctg(10*x)-arctg(0.5*x)=-3*pi/8
- -0,9x-arctg(10x)-arctg(0,5x)=-(3*pi/8)
- -0,9*x+arctg(10*x)-arctg(0.5*x)=-3*pi/8
- -0,9*x-arctg(10*x)+arctg(0.5*x)=-3*pi/8
-0,9*x-arctg(10*x)-arctg(0.5*x)=-3*pi/8 equation
The teacher will be very surprised to see your correct solution 😉
The solution
You have entered
[src]
9*x /x\ -3*pi - --- - atan(10*x) - atan|-| = ----- 10 \2/ 8
$$\left(- \frac{9 x}{10} - \operatorname{atan}{\left(10 x \right)}\right) - \operatorname{atan}{\left(\frac{x}{2} \right)} = \frac{\left(-1\right) 3 \pi}{8}$$