Respuestas
Respuesta dada por:
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Resolución :
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a + b = 2 ; ab = 1
![( a + b )^{2} = 2^{2} ( a + b )^{2} = 2^{2}](https://tex.z-dn.net/?f=+%28+a+%2B+b+%29%5E%7B2%7D++%3D+2%5E%7B2%7D+)
![a^{2} + 2ab + b^{2} = 4 a^{2} + 2ab + b^{2} = 4](https://tex.z-dn.net/?f=+a%5E%7B2%7D+%2B+2ab+%2B++b%5E%7B2%7D+%3D+4)
![a^{2} + 2( 1 ) + b^{2} = 4 a^{2} + 2( 1 ) + b^{2} = 4](https://tex.z-dn.net/?f=+a%5E%7B2%7D++%2B+2%28+1+%29+%2B+b%5E%7B2%7D+%3D+4)
![a^{2} + 2 + b^{2} = 4 a^{2} + 2 + b^{2} = 4](https://tex.z-dn.net/?f=+a%5E%7B2%7D++%2B+2+%2B+b%5E%7B2%7D+%3D+4)
![a^{2} + b^{2} = 4 - 2 a^{2} + b^{2} = 4 - 2](https://tex.z-dn.net/?f=+a%5E%7B2%7D++%2B+b%5E%7B2%7D+%3D+4+-+2)
![a^{2} + b^{2} = 2 = Rpta. a^{2} + b^{2} = 2 = Rpta.](https://tex.z-dn.net/?f=+a%5E%7B2%7D++%2B++b%5E%7B2%7D+%3D+2+%3D+Rpta.)
Espero q te ayude!!!!!!!!!!!!!!!
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a + b = 2 ; ab = 1
Espero q te ayude!!!!!!!!!!!!!!!
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