हल करना (1) = 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

$$(1)=2^{2}+2+1=0$$