हल करना *(E4)=2^ 2 +2+1=0 | 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

$$\cdot(E4)=2^{2}+2+1=0$$