निम्नलिखित का मान ज्ञात कीजिए -
(i) `(30!)/(28!)`, (ii) `(11! - 10!)/(9!)`,
(iii) L.C.M. `(6!,7!,8!)`

Answer

(i) `870` , (ii) `100`, (iii) `8!`

Explanation

(i) `(11 - 10!)/(9!)= (11 xx10! - 10!)/(9!) = (10!(11 - 1))/(9!)`
`= (10 xx 10!)/(9!) = (10 xx 10 xx 9!)/(9!) = 100`