COMEDK2012MathematicsTrigonometric Equations
The general solution of x- x=1- x x
Options
- Ax=n + 4 and or x=n +(-1)^ n ( - 2 )
- Bx= n 4 - 4 and or x=n +(-1)^ n (- 2 )
- Cx=n + 4
- Dx=n + 6 and or =n +(-1)^ n (- 2 )
Correct answer
A. x=n + 4 and or x=n +(-1)^ n ( - 2 )
Step-by-step solution
x- x=1- x x x+ x x=1+ x x(1+ x)-(1+ x)=0(1+ x)( x-1)=0 x-1=0 or 1+ x=0 x=1= 4 or x=-1= (- 2 )x=n + 4 or x=n +(-1)^ n (- 2 )