हल करना (a - 1)/a - a/(a - 4) + 1/(a - 4) | 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

$$\frac{a-1}{a}-\frac{a}{a-4}+\frac{1}{a-4}$$