Question

double differentiate it

Xsquare =2+t

Answer 1

w.r.t t
2x$\frac{dx}{dt}$=1
2$\frac{dx}{dt}$ + 2x $\frac{ d^{2} x}{dt^{2} }$ = 0

w.r.t x
2x = $\frac{dt}{dx}$
2 =$\frac{ d^{2} t }{d x^{2} }$