nm1234
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https://activeteach-prod.resource.pe...sb_p2_ex7d.pdf

Hi, can someone please explain this maths question? The solutions keep on using this same type of ‘proof’ (if you could call it that) but I’m unsure how it’s been derived? I’ve attached the link to the question- thanks for the help in advance!

It’s Q12 a- how have they derived the first step?
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ThatsAGoodOne349
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(Original post by nm1234)
Hi, can someone please explain this maths question? The solutions keep on using this same type of ‘proof’ (if you could call it that) but I’m unsure how it’s been derived? I’ve attached a photo- thanks for the help in advance!
Um, I think you're missing your attachment..?
Maybe use the paperclip in the Quick Reply to attach, or the + in the bottom left on mobile?
that may be the issue if you have just cut and pasted the image in.
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nm1234
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(Original post by ThatsAGoodOne349)
Um, I think you're missing your attachment..?
Maybe use the paperclip in the Quick Reply to attach, or the + in the bottom left on mobile?
that may be the issue if you have just cut and pasted the image in.
Haha sorry- I’ve attached the link now- I’ll attach the question as well
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ThatsAGoodOne349
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Now I don't see your OP...
Something messed up somewhere..

(Original post by nm1234)
Haha sorry- I’ve attached the link now- I’ll attach the question as well
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