Most Important Selected Qs for JEE AdvancedMathematicsDifferentiation
If y= ( ⁻¹ x ) , then d y d x at x=1 is equal to:
Options
- A1
- B2
- C1 2
- D1 2
Correct answer
C. 1 2
Step-by-step solution
By Chain rule aligned & y= ( ⁻¹ x ) & d y d x = ( ⁻¹ x ) ( ⁻¹ x ) 1 1+x^2 & . d y d x |_ x=1 = 2 1 1 2 = 1 2 aligned