Tutorial questions 1

is a solution
-

17) y
=
2xy2;y xx2)
=




Domain the function?
of Check solution



x x2 0 =D X 2
4
=




y
=
-
=



xz and

X F -
2



Exz-
=

y
2x1 x 2
+ and x 7-23

y
=
1 4)(xz) =




x
= -




** 4 =




xyz x itx (xx)"
=
y 2x
= =




2xy2
=




y
=

dependant
f(x) independent fourth
y x


Ca)"*as
= =


derivative

y
=
yf(x) 3
=




&Y
x2 yx
=
+ .
+



A
derivative to power of
4
first
= 3xy2 X
+ - ...




y




Y y'
+

xy
+
+




2 ..
+ 0
=




+
0
y" +
... =