KCET2011MathematicsDifferentiation
d d x [ ² ( ⁻¹ 2+x 2-x ) ] is
Options
- A1 4
- B1 2
- C- 1 2
- D- 3 4
Correct answer
A. 1 4
Step-by-step solution
d d x ² ( ⁻¹ 2+x 2-x ) put x=2 d d x ² ( ⁻¹ . 2+ 2 2- 2 ) .= d d x ² ( ⁻¹ 1+ 1- ) = d d x ² ( ⁻¹ 2 ² 2 2 ² 2 ) = d d x ² ( ⁻¹( / 2) ) = d d x ² 2 = 1 2 d d x (1+ )= d d x ( 1 2 + 1 2 x 2 )= d d x ( 1 2 + x 4 )=(0+1 / 4)=1 / 4