Question

Geometric mean of 4 and 8 is

Answer 1

Answer:

4 is the answer..............

Answer 2

Geometric mean of 4 and 8 is 4√2.

Given:

• Two numbers 4 and 8.

To find:

• Geometric mean of given numbers.

Solution:

Formula/Concept to be used:

• If 'a' and 'b' are two numbers , then geometric mean of numbers is $\bf \sqrt{ab}$

Step 1:

Here,

$a = 4$

and

$b = 8$

Step 2:

Let geometric mean is g.

Then,

$g = \sqrt{ab}$

or

$g = \sqrt{4 \times 8}$

or

$g = \sqrt{4 \times 4 \times 2}$

or

$\bf \red{g = 4 \sqrt{2} }$

Thus,

Geometric mean of 4 and 8 is 4√2.

Learn more:

1) the arithmetic mean between a and b is twice the geometric mean between a and .prove that:7+4*1.73

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2) how many terms are in the G.P 2,4,8,... upto 128

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