Linear Transformations 6 • Invariant Lines pt. 2, Combined Transformations • CP1 Ex7D • 🎯

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Edexcel Core Pure Year 1

Mon 20/1/20
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the difference between knowing how and why is so subtle but so beautiful

lakshdevelops
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This guy is amazing. Thanks Hamza for recommending him.

yaaseentaher
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With the order of combined transformations being BAx, is it like functions fg(x) as u do g(x) first similarly to doing Ax first?

GillyBoi
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ty, I have a year 12, ppe, exam; my school conduct tests. I dont know if this is in the text, however your explanations are very clear and concise. ty

RingsideReels
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where there are multiple matrices being multiplies, AB or CDF. Why do I need to take the final result as the scale factor?

engineeringmadeasy
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Bicem, I'm a bit confused matrix multiplication. At the end, does the order matter or not? AB or BA

engineeringmadeasy
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so at 1:40 is the answer to part b 63 / 18 = 3.5?

BBK
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i tried to do the first question finding an invariant point with multiplying by the matrix M by:
(x)
(y)

and then setting equal to (x y)

but i got for the x component:
4x-5y =x
y = 3/5x

and then the y component:
2x-7y =y
y = 1/4x

what would i do from that step?

BBK