6. (a) Define what it means by dy for y=f(x). dx (b) Using the definition only (or 4-process) find dy for y= 2x² - 6x +2. (c) Find the limit: Cos lim h→0 5 T h <-COS 571 6

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6 a and b and c

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6. (a) Define what it means
by
dy for
dx
for y = f(x).
(b) Using the definition only (or A-process)
find dy for y= 2x² - 6x +2.
dx
(c) Find the limit:
Cos
lim
h→0
5
(ST +h)- cos ST
6
h
Transcribed Image Text:6. (a) Define what it means by dy for dx for y = f(x). (b) Using the definition only (or A-process) find dy for y= 2x² - 6x +2. dx (c) Find the limit: Cos lim h→0 5 (ST +h)- cos ST 6 h
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