Posted by **G** on Wednesday, June 4, 2008 at 1:23pm.

Diving Radicals

Using \/ for radical sign

7 / \/X

This book has been confusing me.

The book gives the answer 7\/X / X.

Isn't the answer 7X?

- Algegra -
**DrBob222**, Wednesday, June 4, 2008 at 1:29pm
When I took algebra many many years ago they called this rationalization of the denominator. For some reason, mathematicians don't seem to like to leave fractions with a sqrt sign in the denominator. This is how you get it out.

7/(sqrt x) =

multiply by sqrt x/sqrt x to obtain

7*(sqrt x)/(sqrt x)*(sqrt x) =

7*(sqrt x)/x.

## Answer This Question

## Related Questions

- Alg 1 - Simplifying Radicals A gardener is mowing a 20-yd-by-40 yd rectangular ...
- Algebra - Dividing Radicals Using \/ for radical sign \/3X / \/3 Answer in the ...
- Algebra - Solving radical Equations Using \/ for radical sign 6-4\/y=-11 Book ...
- Algebra - I am solving sytems of equations algrbraically. I have tried several ...
- Algebra - Dividing Radicals I used this for the redial sign \/ Problem: 30 \/15 ...
- Algebra - Which of the following shows the expression written with a single ...
- math,algebra,correction - Science and medicine. Find the time required for an ...
- Electrochemistry - I have an electrochem based question. I'm trying to solve for...
- math, correction,plz - can someone correct these for me plz.... Problem#36 Use ...
- maths - If (e^x)(sin3x)=Im ((e^x)(e^i3x)) integrate (e^x)(sin3x) I get the ...

More Related Questions