IGCSE Mathematics January 2019 - 4MA1/1H

IGCSE Mathematics January 2019 - 4MA1/1H

Contents:
00:00 - Intro
00:11 - Question 1
01:00 - Question 2
02:39 - Question 3
03:26 - Question 4
05:05 - Question 5
06:22 - Question 6
08:28 - Question 7
09:32 - Question 8
10:50 - Question 9
12:45 - Question 10
14:23 - Question 11
14:58 - Question 12
16:14 - Question 13
19:02 - Question 14
20:03 - Question 15
23:02 - Question 16
25:58 - Question 17
28:40 - Question 18
30:52 - Question 19
33:17 - Question 20
36:21 - Question 21

[Subhanazeba]

Hello sir, i really liked ur vedio. i have a doubt in question 15 first step finding surface area of hemisphere after 1/2 4πr² why did we add πr² next to it?

[thaliaking]

in question 15 why does the volume of cylinder go from 4pi r squared 3/4 r to 3 pi r cubed?? in 22:29

[Susiejnes]

Hi, do you know what topic is questions 19b? I don't understand the question and would like to learn it but I cannot find anything about it.

[thaliaking]

thank you for acc saving my maths gcse love you sm

[yasersamara]

@StateOfMath hi, I’m 12 and I’m going to do the igcse ( hopefully higher tier) early, while revising, I found that with question two, the one about the transformation, the
Method of perpendicular bisection doesn’t work for me, why is that ? Please reply ASAP

[cooldoodmini]

How do you come up with that first equation in question 20 thats equal to 1/3