Question

54lmn (l+m)(m+n)(n+l)/81mn(l+m)(n+l)

Answer 1

Answer:

[2l(m+n)]/3

Explanation:

54lmn (l+m)(m+n)(n+l)/81mn(l+m)(n+l)

=[9×3×2lmn(l+m)(m+n)(n+l)]/[9×3×3×mn(l+m)(n+l)]

After cancellation, we get

= [2l(m+n)]/3

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