For What Positive Value of the Constant C Is the Curve

Multiple Choice

For what positive value of the constant c is the curve r = (3 cos cs) i + (3 sin cs) j + 4cs k parametrized in terms of arc length s? What is the curvature (s) and the torsion (s) for this curve? What kind of curve is it?

A) c = , 11ee7b4a_c535_8783_ae82_218a633b3a19_TB9661_11 = 11ee77e1_77bd_acc6_a0f8_b1acfab576cb_TB9661_11 , 11ee7b4a_f17d_2194_ae82_9be00d89db23_TB9661_11 = 0, circle
B) c = 11ee77e1_77bd_acc7_a0f8_33e17c4ea77d_TB9661_11 , 11ee7b4a_c535_8783_ae82_218a633b3a19_TB9661_11 = 11ee77e1_77bd_acc8_a0f8_17e88163b969_TB9661_11 , 11ee7b4a_f17d_2194_ae82_9be00d89db23_TB9661_11 = 11ee77e1_77bd_acc9_a0f8_cfc2e045f014_TB9661_11 , circular helix
C) c = 11ee77e1_77bd_acca_a0f8_53ddd4daea52_TB9661_11 , 11ee7b4a_c535_8783_ae82_218a633b3a19_TB9661_11 = 11ee77e1_77bd_accb_a0f8_d121281bf7dc_TB9661_11 , 11ee7b4a_f17d_2194_ae82_9be00d89db23_TB9661_11= 11ee77e1_77bd_accc_a0f8_85a827fab579_TB9661_11 , circular helix
D) c = 11ee77e1_77bd_accd_a0f8_a3ba0e895356_TB9661_11 , 11ee7b4a_c535_8783_ae82_218a633b3a19_TB9661_11 = 11ee77e1_77bd_acce_a0f8_7571f5c06206_TB9661_11 , 11ee7b4a_f17d_2194_ae82_9be00d89db23_TB9661_11 = 11ee77e1_77bd_accf_a0f8_d74e961f7f29_TB9661_11 , circular helix
E) c = 11ee77e1_77bd_acd0_a0f8_8160f0d651ec_TB9661_11 , 11ee7b4a_c535_8783_ae82_218a633b3a19_TB9661_11 = 11ee77e1_77bd_acd1_a0f8_99c0661dec08_TB9661_11 , 11ee7b4a_f17d_2194_ae82_9be00d89db23_TB9661_11 = 11ee77e1_77bd_acd2_a0f8_25e00294eb5e_TB9661_11 , circular helix