Ans: D
Among the three expressions, the highest powers of $a$, $b$ and $c$ are $4$, $5$ and $2$ respectively. Therefore, the L.C.M. is $a^4b^5c^2$.
Resources for HKDSE Mathematics
Resources for HKDSE Mathematics
Among the three expressions, the highest powers of $a$, $b$ and $c$ are $4$, $5$ and $2$ respectively. Therefore, the L.C.M. is $a^4b^5c^2$.
