MHT CET202211 Aug 2022Morning ShiftMathematicsInverse Trigonometric FunctionsActual
The value of 1 2 ⁻¹ ( 2 x 1+x^2 )+ 1 2 ⁻¹ ( 1-y^2 1+y^2 ) is
Options
- Ax+y 1-x y
- Bx-y 1+x y
- Cx-y 1-x y
- Dx+y 1+x y
Correct answer
A. x+y 1-x y
Step-by-step solution
Let x= and y= aligned & 1 2 ⁻¹ 2 + 1 2 ⁻¹ 2 & = ( + ) & = + 1- = x+y 1-x y aligned