Given that one part of a plus one part of B is equal to two, find the algebraic formula AB 2 (a + b) minus 3 (a + b) 4AB

Given that one part of a plus one part of B is equal to two, find the algebraic formula AB 2 (a + b) minus 3 (a + b) 4AB

1/a+1/b=2
(a+b)/ab=2
a+b=2ab
AB 2 (a + b) minus 3 (a + b) 4AB
=2ab/ab-4ab/6ab
=2-2/3
=4/3
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