What is the product? startfraction 4 k 2 over k squared minus 4 endfraction times startfraction k minus 2 over 2 k 1 endfraction
startfraction 4 over 2 k 1 endfraction startfraction 2 over k minus 2 endfraction startfraction 2 over 2 k 1 endfraction startfraction 2 over k 2 endfraction