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uggghhhhhhhhhhhhhh...............................IM UTTERLY SORRY23 isn't bearings :|
To find the inverse matrix of
(3 -1)
(-2 2)
1/((3x2)-(-1x2)) *Here*
*This below*
(2_1)
(2_3)
1/4 (2_1)
.......(2_3)
^^^^^^ is the answer
How?
use the formula
1/(ad-bc) . (d..-b)
..................(-c ..a)
Invert the signs of any numbers in position b and c and switch the positions of a and d
Imagine there are no dots.. cant use lots of spaces here..
answer my other question stoooooooooooooAnytime
To find x-intercept you set y = 0 and to get the y-intercept you set x = 0Thank you so much
But I dont understand, how do we know about x-intercept?, why are we assuming y= 0 ?
Can we always use this method to find the y-intercept ?
Thanks in advance please
I forgot which question, put the link again and I will try to find free time to solve it.answer my other question stooooooooooooo
plz
i kno im driving u upthe wall but ined the help
THANKU
they are above on page 216 and 217I forgot which question, put the link again and I will try to find free time to solve it.
guys try theseHello, can anyone please give me tips or advice on how to revise for maths paper 2 and 4. I did a lot of practice but seem to get the same mark every time. My major problem is in Transformations ( Rotation, Reflection, Enlargement, Stretch and Shear) and matrices used in transformation. Can someone please help me by posting a good revision book or link? Thanks
http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Mathematics (0580)/0580_s09_qp_2.pdf
Question 22 part c and d
Question 8 part b
Question 19 with working
Question 16 is it like we make an angle bisector for th emeeting point or wat?
Question 17 part b an ez way to do reflection wen centre not zero-zero
I liked how u explained the answer
Ameer Wardi and
drugdealar106 and Bloodserpent
can u plz answer these too
thank u in advance!
hope its helpshttp://papers.xtremepapers.com/CIE/Cambridge IGCSE/Mathematics (0580)/0580_s09_qp_2.pdf
Question 22 part c and d
Question 8 part b
Question 19 with working
Question 16 is it like we make an angle bisector for th emeeting point or wat?
Question 17 part b an ez way to do reflection wen centre not zero-zero
I liked how u explained the answer
Ameer Wardi and
drugdealar106 and Bloodserpent
can u plz answer these too
thank u in advance!
post a picCan someone help me with Q5 part (d) page 195? It's actually from the book "Extended Mathematics for IGCSE by David Rayner".
http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Mathematics (0580)/0580_s09_qp_2.pdf
Question 22 part c and d
Question 8 part b
Question 19 with working
Question 16 is it like we make an angle bisector for th emeeting point or wat?
Question 17 part b an ez way to do reflection wen centre not zero-zero
I liked how u explained the answer
Ameer Wardi and
drugdealar106 and Bloodserpent
can u plz answer these too
thank u in advance!
if its the one with the square base pyramid, find slant height, and then using half AB i.e 5 cm find VB or VA. then using cosine rules u can find the angle :3Can someone help me with Q5 part (d) page 195? It's actually from the book "Extended Mathematics for IGCSE by David Rayner".
THANKU SHOOO MUCH!!hope its helps
Bearings are simple. If they say find the bearing ofTHANKU SHOOO MUCH!!
it did help
BUTin question 16 did u likwmake twoangle bisectors or what!
and ps can u plz post notes for BEaring frm scratch!
Yes, please do! Thanks.if its the one with the square base pyramid, find slant height, and then using half AB i.e 5 cm find VB or VA. then using cosine rules u can find the angle :3
it is complicated a bit. i'll draw and do it properly in d morning
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