Question

Find the value of y. 7 х 3 Z y = V[?] Give your answer in simplest form.

Answer 1

Answer:

21

Step-by-step explanation:

By geometric mean theorem:

${y}^{2} = 7 \times 3 \\ \\ {y}^{2} = 21 \\ \\ \huge \: y = \sqrt{ \boxed{21}}$