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Find the geometric mean of each set of numbers (Write answers in simplest radical form):

a) 15 and 20
b) 18 and 30

Find the geometric mean of each set of numbers (Write answers in simplest radical-example-1
User STT LCU
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Answer:

Explanation:

a.

G.M. between between 15 and 20=√(15×20)

=√(300)

=√(100×3)

=10√3

b.

G.M. between 18 and 30

=√(18×30)

=√(3×3×2×2×3×5)

=3×2√15

=6√15

User Predrag Beocanin
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