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secondary 4 | A Maths
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lana <3
Lana <3

secondary 4 chevron_right A Maths chevron_right Singapore

my ans for 5b is wrong. someone please explain and help !!!

Date Posted: 8 months ago
Views: 111
sstrike
Sstrike
8 months ago
Can please show ur working n answer ?
lana <3
Lana <3
8 months ago
well my dy/dx is 2(1/4 x -5) ^7 . I know for qns like 5 b) I need to sub in an x value but im not sure what to sub in
sstrike
Sstrike
8 months ago
What's the answer ?
lana <3
Lana <3
8 months ago
-256p

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sstrike
Sstrike's answer
5377 answers (A Helpful Person)
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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?