simplify: x^m+n ×x^n+l×x^l+m / (x^m x^n×x^l)²
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Step-by-step explanation:
x
m+n
×x
n+l
×x
l+m
=x
m+n+n+l+l+m
=x
2(l+m+n)
(x
m
×x
n
×x
l
)
2
=(x
m+n+l
)
2
=x
2(m+n+l)
LHS=
(x
m
×x
n
×x
l
)
2
x
m+n
×x
n+l
×x
l+m
=
x
2(m+n+l)
x
2(m+n+l)
=1=RHS
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