P=

(1234567

3125746)

q=

(1234567

5641723)

r=

(1234567

7631425)

s=

(1234567

5713264)

Find pq(^-1)sr(^2) write the answer as a product of disjoint cylcles. Find its order Parity and Inverse.

I understand parts of the question but for the majority I am unable to do it.