Find Parametric equation and vector equation for the portion of parabola y = 1+(x^2) from (1,2) to (2,5)
The Attempt at a Solution
m = (2-1) i +(5-2)j = i +3j
x = t , y = 1+t^2
r(t) = ti + (2=3t)j, where 0<t<1
, but the ans given is r(t) = ti + (1+t^2) j , 1<t<2
Is my ans acceptable ?