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Byju's Answer
Standard XII
Mathematics
Integration by Partial Fractions
The number of...
Question
The number of partial fraction of
3
x
2
+
70
x
+
93
(
x
â
1
)
4
is
A
3
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B
4
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C
5
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D
2
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Solution
The correct option is
D
3
by subsitution method
x
−
1
=
t
⇒
x
=
t
+
1
3
(
t
+
1
)
2
+
70
(
t
+
1
)
+
93
t
4
⇒
3
t
2
+
76
t
+
166
t
4
=
3
t
2
+
76
t
3
+
166
t
4
⇒
3
(
x
−
1
)
2
+
76
(
x
−
1
)
3
+
166
(
x
−
1
)
4
So,
3
partial fractions.
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