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Julli [10]
3 years ago
5

Which expression is equivalent to (2^1/2 2^3/4)^2

Mathematics
2 answers:
dimaraw [331]3 years ago
6 0

Answer:

\sqrt{2^5}

Step-by-step explanation:

2^{1/2} × 2^{3/4} = 2^{5/4}

(2^{5/4})² = 2^{5/2} = \sqrt{2^5}

taurus [48]3 years ago
4 0

Answer:

\large\boxed{\sqrt{2^5}}

Step-by-step explanation:

\bigg(2^\frac{1}{2}\cdot2^\frac{3}{4}\bigg)^2\qquad\text{use}\ a^n\cdot a^m\\\\=\bigg(2^{\frac{1}{2}+\frac{3}{4}}\bigg)^2\qquad\left/\dfrac{1}{2}+\dfrac{3}{4}=\dfrac{1\cdot2}{2\cdot2}+\dfrac{3}{4}=\dfrac{2}{4}+\dfrac{3}{4}=\dfrac{5}{4}\right/\\\\=\bigg(2^\frac{5}{4}\bigg)^2\qquad\text{use}\ (a^n)^m=a^{nm}\\\\=2^{\frac{5}{4}\cdot2}\\\\=2^{\frac{5}{2}}\qquad\text{use}\ a^\frac{m}{n}=\sqrt[n]{a^m}\\\\=\sqrt{2^5}

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