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SURDS help....rep awarded ;)

can anyone explain to me how to do this question.......im stuck

3(sqrt)50
----------(divided)
5(sqrt)27

thanks...i'll give you rep if you make me understand it :biggrin:

Reply 1

username9303

the answer is sqrt(2)/sqrt(3)

Reply 2

username9303

sqrt(50) = sqrt(25x2) = 5 x sqrt(2)
sqrt(27) = sqrt(9x3) = 3 x sqrt(3)

and then cancel

Reply 3

stop-drop-n-lol

meh, im failing to get this...using the book as help i got this
http://img192.imageshack.us/img192/2209/thing3uc.jpg

but i dont really get it :confused:

edit - bottom one...ignore the top bit

check this :biggrin:

cheers im still a bit :confused:

but i'll get it with time

i'll rep you in a few hours when I get it back

Reply 6

username21537

do you know the basic rules or ~~turds~~ surds?

Reply 7

stop-drop-n-lol

nope...the college cocked up my time table so im missed the first few lessons when the others were learning it.
so i dont have a clue what surds are or how to do them! :frown:

Ill PM you

GiBB

nope...the college cocked up my time table so im missed the first few lessons when the others were learning it.
so i dont have a clue what surds are or how to do them! :frown:

surely you learnt them last year :confused:

anyway...

√(ab) = √a√b

√(a/b) = √a / √b

√a + √b ≠ √(a+b)

Reply 10

username9303

try: http://www.bbc.co.uk/education/asguru/maths/12methods/01algebra/02surds/index.shtml

its a good site to learn all the basics on, and plenty of examples

ollie :biggrin:

Reply 11

stop-drop-n-lol

thanks

oh and

surely you learnt them last year

Nope i done intermediate :p:

Reply 12

steve2005

GiBB

can anyone explain to me how to do this question.......im stuck

3(sqrt)50
----------(divided)
5(sqrt)27

thanks...i'll give you rep if you make me understand it :biggrin:

Have you looked at
http://www.mathsnet.net/asa2/2004/c12surd.html

Picture 119.png65.2KB

Reply 13

silent ninja

olliemccowan

check this :biggrin:

This is almost correct, the answer is sqrt6/3

GiBB

nope...the college cocked up my time table so im missed the first few lessons when the others were learning it.
so i dont have a clue what surds are or how to do them! :frown:

At least your college are getting on with things. Mine are still on gathering terms and factorising (i thought everyone learnt this at gcse??!). Lessons are sooo booring but i cant go into the further maths group until they rearrange the timetable (if that ever happens).

Reply 14

username9816

GiBB

can anyone explain to me how to do this question.......im stuck

3(sqrt)50
----------(divided)
5(sqrt)27

thanks...i'll give you rep if you make me understand it :biggrin: