2 years ago

Find the geometric mean of 7 and 9

1 answer:

3 0

Answer:

$\large\boxed{3\sqrt7}$

Step-by-step explanation:

$\text{Geometric mean:}\\\\\underbrace{\sqrt[n]{a_1\cdot a_2\cdot a_3\cdot...\cdot a_n}}_n\\\\\sqrt{7\cdot9}=\sqrt{9}\cdot\sqty7=3\sqrt7$

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