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Nice quotes! ^^

Welcome to XPC xD

Sure ;)

Good one. (y) Attach mine link too in ur thread so that more help can be gained. :D...

Go to the first (BLUE) link in my signature (below this post) you will find good notes there Named as (organic spider chart ) for bot As and A2 level! ^_^ If it helps u, do like and cast your vote :D

Formulas are important to solve the questions. The first step towards the solution, you must include it. It will cost u 3 seconds of ur exam time (y)

It depends on what B's and C's u get, if both are higher then u get A if lower then B :)

Check the first link in BLUE below this post in my signature. Check there in chemistry module. ^_^ And do like and vote if u think that notes helped u :cool:

You already know one line is y = x The other eqn of line can be found as i showed! for the gradient use the formula the angle between two lines formula. :) CAN YOU HELP ME OUT IN THIS : https://www.xtremepapers.com/community/threads/mathematics-post-your-doubts-here.9599/page-884#post-969456 ?

http://dynamicpapers.com/wp-content/uploads/2015/11/9709_w15_qp_33.pdf Q8(ii) The formula is |a||b|.cos(x) = a.b then why we do |a||b|.sin(x) = a.b Q8(iii) I got that one vector (-3,11,-20) how to find the other vector? Doubts cleared. ^_^ Ty.

You guys can vote the link in my signature, the first link in blue and do like it if i helped u guys :D It contains the best revision resource of PCM :cool: ur mbs wont be wasted :LOL:

They have used that to show the points satisfying in that region. The same is explained by : The easy way to remember this thing is : if any inequality with < 0 then the roots will be sth like : less positive/ more negative value < x < more positive/ less negative value if with > o then, x...

Diagram not to scale. Just for an idea. red line = cos(pi/4) * 3 blue line = sqrt(3^2 + 3^2) + 1

Like and vote : This link has many other resources too.. ^_^

1/4? Substitute that z in that denominator so it will be : 1/(2cos(theta) - i(sinn(theta))) then solve this as u usually solve your complex number problems when u have denominator in terms of i. you will get 1/4 as the real part. :)

Go to chemguide.co.uk (Y)

No science subs? :P

I know this feeling brother. xD

This is so true. But this feels safe, u see! xD