MHT CET202120 Sep 2021Evening ShiftMathematicsDifferentiationActual
If x=a(t+ t), y=a(1- t) , then d y d x =
Options
- At 2
- B- t 2 t
- C1 2 t
- D- t 2
Correct answer
A. t 2
Step-by-step solution
aligned & x=a(t+ t) and y=a(1- t) & d x d t =a(1+ t) and d y d t =a( t) & d y d x = ( d y d t ) ( d x d t ) = a t a(1+ t) = 2 t 2 t 2 2 ^2 t 2 = t 2 aligned