You are Here: Home >< Maths

# How to do 'SURDS' Watch

Announcements
1. How do you add surds together?
The problem is (route)75+(route)27....
2. (Original post by JeromeE)
How do you add surds together?
The problem is (route)75+(route)27....
You can simply both of these

root 75 = root 3 x root 25
root 27 = root 3 x root 9

We know root 9 and root 25, so this is 5root3 + 3 root 3 which is just 8 root 3

TSR Support Team

We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

This forum is supported by:
Updated: December 7, 2010
Today on TSR

### Things NOT to do at uni

Have you done any of these?

### How much revision have yr12s done?

Discussions on TSR

• Latest
• ## See more of what you like on The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

• Poll
Useful resources

### Maths Forum posting guidelines

Not sure where to post? Read the updated guidelines here

### How to use LaTex

Writing equations the easy way

### Study habits of A* students

Top tips from students who have already aced their exams

## Groups associated with this forum:

View associated groups
Discussions on TSR

• Latest
• ## See more of what you like on The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

• The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE

Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.