Explicación paso a paso:
Solución. !
B ✓
[tex] = \sqrt{ \frac{ {5}^{2} }{ { - 2}^{2} } . \frac{ {5}^{2} }{ { - 6}^{2} } } [/tex]
[tex] = \sqrt{ \frac{25}{4} . \frac{25}{36} } [/tex]
[tex] = \sqrt{ \frac{625}{144} } [/tex]
[tex] = \frac{25}{12} [/tex]
E✓
[tex]( - 6 + 5)( - 6 - 5) = [/tex]
[tex]( - 1)( - 11) = [/tex]
[tex] = 11[/tex]
F✓
[tex] = { - 6}^{2} + 2 - 65 + {5}^{2} [/tex]
[tex] = 36 + 2 - 65 + 25[/tex]
[tex] = 38 - 65 + 25[/tex]
[tex] = - 27 + 25[/tex]
[tex] = - 2[/tex]
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Explicación paso a paso:
hola °
Solución. !
B ✓
[tex] = \sqrt{ \frac{ {5}^{2} }{ { - 2}^{2} } . \frac{ {5}^{2} }{ { - 6}^{2} } } [/tex]
[tex] = \sqrt{ \frac{25}{4} . \frac{25}{36} } [/tex]
[tex] = \sqrt{ \frac{625}{144} } [/tex]
[tex] = \frac{25}{12} [/tex]
E✓
[tex]( - 6 + 5)( - 6 - 5) = [/tex]
[tex]( - 1)( - 11) = [/tex]
[tex] = 11[/tex]
F✓
[tex] = { - 6}^{2} + 2 - 65 + {5}^{2} [/tex]
[tex] = 36 + 2 - 65 + 25[/tex]
[tex] = 38 - 65 + 25[/tex]
[tex] = - 27 + 25[/tex]
[tex] = - 2[/tex]
Atte ° David