Respuesta:
[tex](ca - \frac{1}{c}b) { }^{2} = c {}^{2} a {}^{2} - 2ab + ( \frac{ b}{c} ) {}^{2} = ( \frac{b}{2} - ac) {}^{2} = - 2ab + \frac{b {}^{2} }{c {}^{2} } + a {}^{2} c { }^{2} .[/tex]
Explicación paso a paso:
Tienes que simplificar (ca-1/2) Con c2 a2
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Respuesta:
[tex](ca - \frac{1}{c}b) { }^{2} = c {}^{2} a {}^{2} - 2ab + ( \frac{ b}{c} ) {}^{2} = ( \frac{b}{2} - ac) {}^{2} = - 2ab + \frac{b {}^{2} }{c {}^{2} } + a {}^{2} c { }^{2} .[/tex]
Explicación paso a paso:
Tienes que simplificar (ca-1/2) Con c2 a2