En resumen

Respuesta : <img src="https://tex.z-dn.net/?f=a%5E%7B2%7D%2B4a%2B4" />Explicación paso a paso : <img src="https://tex.z-dn.net/?

Mejor respuesta

AndresRohc999
3

Respuesta : <img src="https://tex.z-dn.net/?f=a%5E%7B2%7D%2B4a%2B4" />Explicación paso a paso : <img src="https://tex.z-dn.net/?f=%5Ctextbf%7BPara%20elevar%20un%20binomio%20al%20cuadrado%20basta%20recordar%20que%3A%7D%5C%5C%5Ctextbf%7Bes%20el%20cuadrado%20del%20primero%2Cm%5C%27as%20o%20menos%20el%20doble%20producto%20del%7D%5C%5C%5Ctextbf%7Bprimero%20por%20el%20segundo%20m%5C%27as%20el%20cuadrado%20del%20segundo%2C%20es%20decir%3A%7D%5C%5C%5Ctextbf%7BSi%20a%2Bb%20o%20a-b%20son%20los%20binomios%20entonces%3A%7D%5C%5C%5C%5C%28a%2Bb%29%5E%7B2%7D%3Da%5E%7B2%7D%2B2ab%2Bb%5E%7B2%7D%5C%2C%5C%2C%5Ctextbf%7Bdonde%3A%7D%5C%5Ca%5E%7B2%7D%5C%2C%5C%2C%5Ctextbf%7Bes%20el%20cuadrado%20del%20primero%7D%20%5C%5C2ab%5C%2C%5C%2C%5Ctextbf%7Bes%20el%20doble%20producto%20del%20primero%20%28a%29%20por%20el%20segundo%20%28b%29%7D%5C%5Cb%5E%7B2%7D%5C%2C%5C%2C%5Ctextbf%7B%20es%20el%20cuadrado%20del%20segundo%20%28b%29%7D%5C%5C%5C%5C%5Ctextbf%7BSimilarmente%20para%20a-b%20al%20cuadrado%20nos%20queda%3A%7D%5C%5C%28a-b%29%5E%7B2%7D%3Da%5E%7B2%7D-2ab%2Bb%5E%7B2%7D%5C%5C%5C%5C%5Ctextbf%7BPor%20lo%20tanto%20aplicando%20dicha%20regla%20al%20binomio%20dado%20nos%20queda%3A%7D%5C%5C%28a%2B2%29%5E%7B2%7D%3D%28a%29%5E%7B2%7D%2B2%28a%29%282%29%2B%282%29%5E%7B2%7D%3Da%5E%7B2%7D%2B4a%2B4" />.

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Respuesta 2

Reinne
2

Respuesta : (a±b)² = a² + b²±2abExplicación paso a paso : Demostración : (a±b)² = (a±b)(a±b) = a²±ab±ba + b² = a² + b²±2ab.