What is the sum of 6 consecutive numbers that equal 393

We can check the equation is an extraneous solution or not by finding the solution and plugging it in the equation, to verify it.

<h3>What is the extraneous solution?</h3>

In mathematics, an extraneous solution is a solution that comes from the process of solving the problem but is not a genuine solution to the problem, such as the answer to an equation.

As we know from the definition the extraneous solution is a solution that comes from the process of solving the problem but is not a genuine solution to the problem.

Let's suppose the equation is:

$\rm \sqrt{x+4} = x -2$

Squaring both the sides:

x + 4 = (x - 2)²

x + 4 = x² - 4x + 4

x² -5x = 0

x = 0 or x = 5

Checking for the solution by plugging in the equation;

$\rm \sqrt{5+4} = 5 -2$

3 = 3

$\rm \sqrt{0+4} = 0 -2$

2 ≠ -2

The solution x = 0 shows extraneous solution.

Thus, we can check the equation is an extraneous solution or not by finding the solution and plugging it in the equation, to verify it.

Learn more about the extraneous solution here:

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2 years ago

Circle the volume in cm^3 of a cylinder with the radius 5cm and height 8cm

Phantasy [73]

Answer:

<em>628 </em> $cm^{3}$