Surds: Dividing by Negative Numbers
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Now expand the brackets.
Original post by Mr M
That's wrong anyway.
You should have:
I suspect you are not rationalising the denominator correctly as you did not recognise what steve told you earlier.
You should have:
I suspect you are not rationalising the denominator correctly as you did not recognise what steve told you earlier.
That is what he has ... he just doesn't know where to put brackets
Original post by Mr M
That's wrong anyway.
You should have:
I suspect you are not rationalising the denominator correctly as you did not recognise what steve told you earlier.
You should have:
I suspect you are not rationalising the denominator correctly as you did not recognise what steve told you earlier.
That's the same thing. I just hadn't expanded.
Original post by TheWantedGuy
That's the same thing. I just hadn't expanded.
Ok, if you are not sure, shove in extra brackets for clarity.
Better still, learn LaTex.
In conclusion something like:
Just change the signs top and bottom.
Just change the signs top and bottom.
Okay, I get it now... You just needed to tell me that if there's a negative number, multiply it all by -1. Could've said it one post lol, but thanks anyway.
Original post by TenOfThem
What level of maths are you studying?
GCSE, why?
Original post by TheWantedGuy
Okay, I get it now... You just needed to tell me that if there's a negative number, multiply it all by -1. Could've said it one post lol, but thanks anyway.
Post 6
Post 11
No Problem
Original post by TheWantedGuy
GCSE, why?
I had a horrible feeling you might be in Y12
Original post by TenOfThem
Post 6
Post 11
No Problem
Post 11
No Problem
Well, I must admit, those explanations were rather vague without much clarity, and you seem very assured of yourselves. What did you get at GCSE?
Original post by TheWantedGuy
Well, I must admit, those explanations were rather vague without much clarity, and you seem very assured of yourselves. What did you get at GCSE?
Dinosaurs didn't study GCSEs.
Original post by TheWantedGuy
Well, I must admit, those explanations were rather vague without much clarity, and you seem very assured of yourselves. What did you get at GCSE?
LoL
Original post by Mr M
Dinosaurs didn't study GCSEs.
You guys give off a very cocky impression. But whatever, thanks for the help!
(edited 12 years ago)
Original post by TheWantedGuy
You guys give a very cocky impression. But whatever, thanks for the help!
A*s didn't exist in the Jurassic period.
Original post by TheWantedGuy
You guys give off a very cocky impression. But whatever, thanks for the help!
Ran out of rep but you'd have been negged for your ungrateful attitude if I had any left.
Original post by SubAtomic
Ran out of rep but you'd have been negged for your ungrateful attitude if I had any left.
Fair enough. Sorry guys, happy?
(edited 12 years ago)
Original post by TheWantedGuy
Fair enough. Sorry guys, happy?
Wasn't ever unhappy. TenOfThem and I are maths teachers - GCSEs had not been invented when we were at school if that explains the dinosaur reference.
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