Question 1 Practice Paper 2 CORE 1 A AS Maths
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@havapintoflager I know this is a little late but could be beneficial for anyone watching now that got the same answer, what I think you did was recognised that root 12 = root 4 x root 3 but forgot to change root 4 into 2
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this is nice and clear, i was a little shakey on completing the square but i think i'll do fine now. at least i don't have the worry of time on my mind (i get 100% extra if i want it) so i can concentrate on the questions and not on the clock
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excellent job...thankyou very much..it realy helped me and i undertand it clearly
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What happnes if the co-efficient of x^2 is a differnt number such as 3. Woudl you still use x when putting into and equation?
FoziaYaqoob 1 year ago
@FoziaYaqoob This particular operation "completing the square" can ONLY be performed with x^2.
mathstutorbiz 1 year ago
i did the otherwise method and got x=+5+-4sq.root3. im confused.
havapintoflager 1 year ago
I have double checked. The mistake is yours. mathstutor.
mathstutorbiz 1 year ago
@havapintoflager I have double checked. The mistake is yours. mathstutor.
mathstutorbiz 1 year ago
is there a video on the trapezium rule?
I think it would really help me if you could do one and if you have, which on is it? Thanks
1992Roscoe 2 years ago
If you visit mathstutorDOTbiz and check the contents of all the available videos you will find this topic on one of them..... but not necessarily a freebie on youtube. Only a selection of vids are one youtube mathstutor
mathstutorbiz 2 years ago