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Byju's Answer
Standard VIII
Mathematics
Factorisation
If px=2x3-3...
Question
If
p
(
x
)
=
2
x
3
−
3
x
2
+
4
x
−
2
, then
p
(
−
1
)
is :
A
-2
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B
-11
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C
0
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D
1
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Solution
The correct option is
B
-11
p
(
x
)
=
2
x
3
−
3
x
2
+
4
x
−
2
Put
x
=
−
1
So,
p
(
−
1
)
=
2
(
−
1
)
3
−
3
(
−
1
)
2
+
4
(
−
1
)
−
2
or,
p
(
−
1
)
=
−
2
−
3
−
4
−
2
=
−
11
So, option
B
is correct.
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0
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