Qualification > Math
[CIE] All Pure Mathematics (P1, P2 and P3) doubts here !
Arthur Bon Zavi:
--- Quote from: ~Alpha on November 14, 2010, 11:17:37 am ---1/ tan x + tan x = 1+tan^2 x)/ tan x
= sec^2 x/ tan x
= 1/ cos^2 x * (cos x/ sin x)
= 1/ cos x sin x
-_-
--- End quote ---
Your head must be aching. Sorry, for making you run behind this. :-X
Thank You. :D
Alpha:
--- Quote from: Ancestor on November 14, 2010, 11:22:56 am ---Your head must be aching. Sorry, for making you run behind this. :-X
Thank You. :D
--- End quote ---
You're welcome. :)
Yes, actually, my head IS aching, ain't cause of your Maths question though. ;)
$H00t!N& $t@r:
Find the value of k for which there is no term in x^2 in the expansion of (1+kx)(2-x)^6 :)
Arthur Bon Zavi:
--- Quote from: $H00t!N& $t@r on November 16, 2010, 03:17:48 pm ---Find the value of k for which there is no term in x^2 in the expansion of (1+kx)(2-x)^6 :)
--- End quote ---
Post whole Question, from the first ! If you can, tell us the page number of the P1 book and question number.
elemis:
--- Quote from: $H00t!N& $t@r on November 16, 2010, 03:17:48 pm ---Find the value of k for which there is no term in x^2 in the expansion of (1+kx)(2-x)^6 :)
--- End quote ---
Doing it.
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