Question

(x + y)² + 2(x + y)(x - y) + (x - y)2

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Answer 1

Answer:

sawal hi samajh mai nahi aa raha hai

Answer 2

$(x + y) {}^{2} = {x}^{2} + {y}^{2} + 2xy$

${x}^{2} + {y}^{2} + 2xy + 2( {x}^{2} -xy + xy - \\ {y}^{2} + {x}^{2} + {y}^{2} - 2xy$

${x}^{2} + {y}^{2} + 2xy + {2x}^{2} - 2xy$