Question
. Describa cómo podría usted determinar el conjunto de números para los cuales la expresión dada es un número real.a) $\sqrt{2 x-3}$b) $\sqrt{4-10 x}$c) $\sqrt{x(x-5)}$d) $\frac{1}{\sqrt{x+2}}$Ponga en práctica sus ideas.
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This is because the square root of a negative number is not a real number. Show more…
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