7akar32 per 6 akar 28 x7 akar 27

7√32                  7(4√2)                   28√2 (21√3)    49√6       √7
-------- x 7√27  = --------- x 7(3√3) = -----------------= -------- x ----- = 7√42
6√28                   6(2√7)                       12√7             √7        √7