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Please help asap

Posted: Mon Sep 28, 2009 10:37 pm
by x
Can someone please show me how to work out the following two questions? :

Simplify as far as possible:
Image

:(

Posted: Mon Sep 28, 2009 10:39 pm
by Rose petal
Are those really from an 11+ paper?

Posted: Mon Sep 28, 2009 10:41 pm
by hermanmunster
is the first one sqrt(a+b)(a+b) ie (a+b) ?

deffo not 11 plus...


mmmm not so sure now.....

Posted: Mon Sep 28, 2009 10:50 pm
by x
ahhhh I see thank you :)
and no its not from the 11+

Posted: Mon Sep 28, 2009 10:54 pm
by yoyo123
does this help at all with the second one?

http://regentsprep.org/Regents/mathb/4B1/posnegzles.HTM

Posted: Mon Sep 28, 2009 11:04 pm
by x
:!: I understand now
yes thank you so much :D

Posted: Mon Sep 28, 2009 11:35 pm
by moved
Ooh another site with material, thanks yoyo :D :D :D :D

Posted: Mon Sep 28, 2009 11:45 pm
by yoyo123
I love google!