l^2-(m-n) ^2
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Answer:
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Step-by-step explanation:
Given expression is l
2
−(m−n)
2
It can be factorised by using identity a
2
−b
2
=(a−b)(a+b)
Thus l
2
−(m−n)
2
=(l−m+n)(l+m−n)
Thus factors are (l−m+n),(l+m−n).