SOLUTION: Hi could you please help me with all of question 1 in the following past paper. Although it is intended to be one of the easier questions in the paper, I am having trouble with und

Question 865768: Hi could you please help me with all of question 1 in the following past paper. Although it is intended to be one of the easier questions in the paper, I am having trouble with understanding how to do it. Thank you.
Here is the link:
http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s10_qp_11.pdf
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
i) -k
ii) 1/k
iii) k/sqrt(1+k^2)

RELATED QUESTIONS
Hi there could you please help me understand how to figure out question (7iii) in the... (answered by Fombitz)

Hi there, Could you please help me solve the following Exponential functions question? I (answered by vleith)

Hi there. Could you help me with this probability question please.... Each individual... (answered by Earlsdon)

Hi, could you please help me with the question (10ii) in the following exam paper. This... (answered by KMST)

Hi could i please have help with the question (8ii) in the following link of an exam past (answered by KMST)

Hi! Can you please help me solve this question? You have a piece of paper,10cm by... (answered by scott8148)

Hello, the following question is from a past exam paper on algebra & complex numbers that (answered by jim_thompson5910,rviksub)

In my homework, I'm being asked to perform the indicated operation and to simplify: 1- (answered by ankor@dixie-net.com)