Question

Find the arc length of the curve given by x = t^2 + 1 and y = t^2, for 1 ≤ t ≤ 2. (2 points)

A) 15√2
B) 3√2
C) 18
D) 5√2

Answer 1

integrate √((2t)^2 + (2t)^2) = 2√2 t