हल करना (m + n)/(m - n) - (m - n)/(m + n) | 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

$$\frac{m+n}{m-n}-\frac{m-n}{m+n}$$