Resolver 4 Sigma460- Sigma46 Sigma68 4 Sigma638-( Sigma46)^ 2 | 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

$$\frac{4\Sigma460-\Sigma46\Sigma68}{4\Sigma638-(\Sigma46)^{2}}$$