QUESTION IMAGE
Question
11 simplify the expression √98m⁴. a 14m²√2 b 7m√3 c 7m√2 d 7m²√2
Step1: Descomponer 98 en factores
Descomponemos 98 como $98 = 49\times2$, entonces $\sqrt{98m^{4}}=\sqrt{49\times2\times m^{4}}$.
Step2: Aplicar la propiedad $\sqrt{ab}=\sqrt{a}\cdot\sqrt{b}$
$\sqrt{49\times2\times m^{4}}=\sqrt{49}\cdot\sqrt{2}\cdot\sqrt{m^{4}}$.
Step3: Calcular las raíces cuadradas
Sabemos que $\sqrt{49} = 7$ y $\sqrt{m^{4}}=m^{2}$, entonces $\sqrt{49}\cdot\sqrt{2}\cdot\sqrt{m^{4}}=7m^{2}\sqrt{2}$.
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D. $7m^{2}\sqrt{2}$