Question

v 2 =u 2 +2as derive by the calclus method .

Answer 1

v=u+at
now differentiate w.r.t t
dv/dt=du/dt+a ( let a is constant )
multiply both side ds
ds/dt=v
vdv=udu+a.ds
v2=u2+2as+constant
if bo is uniformly then constant =0
so, v2=u2+2as