हल करना angle i k; (a^ 2 +b^ 2 +2a.b)-(a^ 2 +b^ 2 -2ab) | 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

$$\angle i_{k}; (a^{2}+b^{2}+2a.b)-(a^{2}+b^{2}-2ab)$$