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Factorize the expression $2 l 2 m n − 3 l m 2 n + 4 l m n 2$ .

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l m n 2 l − 3 m − 4 n

l m n 2 l − 3 m + 4 n

l m n 2 l + 3 m + 4 n

None of these

answer is B.

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Detailed Solution

Given expression is

2 l 2 m n − 3 l m 2 n + 4 l m n 2

.
Taking lmn as a common factor,

⇒ 2 l 2 m n − 3 l m 2 n + 4 l m n 2 = l m n 2 l − 3 m + 4 n

Therefore, the factors of the given expression are

l m n and 2 l − 3 m + 4 n

.
Thus, the factorisation of

.
Hence, option 2 is correct.

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