Question

lm-l-m+1
Options are

a.(l-1)(m-1)
b.( 1-l)(m-1)
c.(1-l)(1-m)
d.(l-1)(1-m)​

Answer 1

Answer:

a. (l-1)(m-1)

Step-by-step explanation:

This will be the answer on taking common factor out and rearranging .

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