1 point in the additive group z of integers, the order of inverse element a", va ezis a zero b. one c. infinity d. none of these o a o b oc o d 1 point tfh c k

1 point In the additive group Z of integers, the order of inverse element a", Va EZis A Zero B. one C. infinity D. None of these O A O B Oc O D 1 point TfH C K are two subgroups of G and if [G : H] = 8 and [G: K] =4, then [K: H] is A. B. 3 C. 5 D. None of these O A O B Oc OD