MHT CET20228 Aug 2022Morning ShiftMathematicsDifferentiationActual
If x= a^ ⁻¹ t and y= a^ ⁻¹ t , then d y ~d x =
Options
- Ay x
- B-x y
- Cx y
- D- y x
Correct answer
D. - y x
Step-by-step solution
d y ~d x = d a^ ⁻¹ t dt d a^ ⁻¹ t ~d t = 1 2 a^ ⁻¹ t a^ ⁻¹ t a -1 1-t^2 1 2 a^ ⁻¹ t a^ ⁻¹ a 1 1-t^2 = - a^ ⁻¹ t a^ ⁻¹ t = -y x