Qualification > Math

Maths help paper 1 & 6 :D normal distribution :D :D :D

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astarmathsandphysics:
Continuity corrections explained here

http://www.astarmathsandphysics.com/a_level_maths_notes/a_level_maths_notes_s2_menu.html

superduper2009:
Thank you sooo much..
can you help me with one more thing...
in the same paper...can you please do question number 2 as well...
thanks in advance
+rep

astarmathsandphysics:
kx-4=x^2 -2x
x^2-(2+k)+4=0
2 distinct points so b^2 -4ac>0
(-(2+k))^2 -4*1*4>0
4+4k+k^2-16>0
k^2+4k-12>0
(k+6)(k-2)>0
k<-6 or k>2

see also

superduper2009:
That was fast...
Thanks a lot :D
By the way ur amazing ... and thank you LOADS & LOADS for this amazing website and freeexampapers.com...... they helped me out ... ALOT ...and i really mean ALOT

astarmathsandphysics:
We try

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