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MTH102 (Question Set One)
Question 10 of 50
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Implicit & Parametric Differentiation
PAST QUESTION
Given that
y
=
(
x
−
1
)
/
(
x
+
1
)
y = (x-1)/(x+1)
y
=
(
x
−
1
)
/
(
x
+
1
)
, determine an expression for
d
y
/
d
x
dy/dx
d
y
/
d
x
.
A
2x
B
2
x
/
(
x
+
1
)
2
2x/(x+1)^{2}
2
x
/
(
x
+
1
)
2
C
2
x
/
(
x
−
1
)
2
2x/(x-1)^{2}
2
x
/
(
x
−
1
)
2
D
2
/
(
x
+
1
)
2
2/(x+1)^{2}
2/
(
x
+
1
)
2
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