যদি কোন পরামিতিক সমীকরণের জন্য x=f(t), y=g(t) হয় তবে, (d^2y)/(dx^2) =?
A. ((d^2x)/dt^2.dy/dt-(d^2y)/dt^2.dx/dt)/(dx/dt)^3
B. ((d^2y)/dt^2.dx/dt-(d^2x)/dt^2.dy/dt)/(dx/dt)^3
C. ((d^2y)/dt^2.dx/dt-(d^2x)/dt^2.dy/dt)/(dx/dt)^2
D. ((d^2y)/dt^2.dx/dt+(d^2x)/dt^2.dy/dt)/(dx/dt)^3
সঠিক উত্তরঃ
B.
((d^2y)/dt^2.dx/dt-(d^2x)/dt^2.dy/dt)/(dx/dt)^3
Explanation: 