Solve l + ab - a - b | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$l+ab-a-b$$

Evaluate

$ab-a-b+l$

Differentiate w.r.t. l

$1$