You are Here: Home >< A-levels

Rationalise denominator Watch

1. I don't understand where I've gone wrong on question 11 please help- apparently it's root 31? I got 7 root 31/ 31
2. (Original post by Lucofthewoods)
I don't understand where I've gone wrong on question 11 please help- apparently it's root 31? I got 7 root 31/ 31
6 x 6 = 36 not 12
3. (Original post by Alex621)
6 x 6 = 36 not 12
Oh god I do know that just accidentally added them :/ haven't done maths since the 9th June I've gone completely useless despite getting an a* in maths last week haha
4. (Original post by Lucofthewoods)
I don't understand where I've gone wrong on question 11 please help- apparently it's root 31? I got 7 root 31/ 31
Where did you get 12 from? Its 36 instead of 12. Then you get 31root31/31 and then they cancel out to give root 31.
5. (Original post by Lucofthewoods)
Oh god I do know that just accidentally added them :/ haven't done maths since the 9th June I've gone completely useless despite getting an a* in maths last week haha
Haha it happens to all of us

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: August 29, 2016
Today on TSR

Should I ask for his number?

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

All the essentials

Student life: what to expect

What it's really like going to uni

Essay expert

Learn to write like a pro with our ultimate essay guide.

Create a study plan

Get your head around what you need to do and when with the study planner tool.

Resources by subject

Everything from mind maps to class notes.

Study tips from A* students

Students who got top grades in their A-levels share their secrets

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