Hi can I have help with this please

(a) The following set of matrices, Q:, is a group under matrix multiplication. ( -10) ( 1 0 ) ( 9 6 ) (9 : )} (i) Write down the order of each element in Qs. (ii) Explain why Q: is not cyclic. (iii) Write down the distinct right cosets of - 1) (For each distinct right coset, write down each element within that set.) (iv) How many elements are there of order 2 in Dih(8)? (v) Give a reason why Dih(8) is not isomorphic to Qa. Give a reason why Uis is not isomorphic to