[a^{3}b^{7}] Find the LCM of a^{3}b^{4},ab^{5} and a^{2}b^{7}

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Find the LCM of $a^{3}b^{4}$,a$b^{5}$ and $a^{2}b^{7}$

$a^{7}b^{3}$

$a^{3}b^{7}$

$a^{2}b^{5}$

a$b^{5}$

Explanation:
First,find the highest power of each element.
There are two elements a and b,and their highest power are
Highest power of a=3
highest power of b=7
therefore,LCM$=a^3 b^7$

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