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MHT CET202123 Sep 2021Evening ShiftMathematicsTrigonometric EquationsActual

If ⁻¹ [ 1+x^2 - 1-x^2 1+x^2 + 1-x^2 ]= , then the value of 2 is

Options

  1. Ax^3
  2. Bx
  3. Cx
  4. Dx ^2

Correct answer

D. x ^2

Step-by-step solution

We have = [ 1+x^2 - 1-x^2 1+x^2 + 1-x^2 ] Put x^2= aligned & = 2 ^2 2 - 2 ^2 2 2 ^2 2 + 2 ^2 2 & = 2 - 2 2 - 2 = 1- 2 1+ 2 = ( 4 - 2 ) & = 4 - 2 2 = 2 - & 2 = ( 2 - )= =x^2 aligned

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