See sstrike's answer to lana <3's Secondary 4 A Maths Singapore question

sstrike's answer to lana <3's Secondary 4 A Maths Singapore question.

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Date Posted: 8 months ago

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lana <3

Lana <3

8 months ago

hi! why is it dy/ 12-p - 12 ??

sstrike

Sstrike

8 months ago

Concept of derivative
△y/△x

△x = (12+p) - (12)

Agree?