IB Maths HL 2020 Nov paper 1 full solution (Section B)

Complete Solution to the latest IB paper

Solution to Section A:

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[mathstendstoinfinity]

Varticcal compression by sf 1/2 only . 10 c ii

[FonfonUm]

Hey! For 12) e) I got pi(4+6ln2). I simply expanded the nominator and found the partial fractions without performing long division. I think that both our methods are valid. Which do you think is right?

[glebkozlovskiy]

shouldn't stretches always go first then translations?

[karamalamin]

also i believe theres an error with the vertical stretch ! It should remain the same right?

[gauravrawat]

Could u suggest some book for myp 5 grade 10

[shikhatrivedi]

In Q)10a-ii I did not understand how you changed b^2-3ac to b^2-4ac

[karamalamin]

can someone please shortly summarize the order of transformations