Which of the formulae give the curvature of a space curve r(t) = ? (multiple answers)

Question 3 (1 point) Saved Which of the following formulae give the curvature of a space curve r (t) = (x (t) , y (t) , z (t))? k ( t ) = IT (t) x r" (t)1 IT' (t ) 12 O k (t) = IT (t (s))] , where s is the arc length parameter k (t ) = Ir' (t) x 1" (t) 1 IT (t) 13 V k ( t ) = IT' (t)1 To' (t ) 1