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Byju's Answer
Standard XII
Chemistry
Heat Capacity
Find the valu...
Question
Find the value of of
3
x
3
−
4
x
2
+
5
x
−
6
, when
x
=
1
.
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Solution
Substitute,
x
=
−
1
in
3
x
3
−
4
x
2
+
5
x
−
6
3
x
3
−
4
x
2
+
5
x
−
6
=
3
(
−
1
)
3
−
4
(
−
1
)
2
+
5
(
−
1
)
−
6
∴
odd multiple of negative number is negative number
=
−
3
−
4
−
5
−
6
=
−
18
Therefore , the value of
3
x
3
−
4
x
2
+
5
x
−
6
, when
x
=
−
1
is
−
18
.
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Q.
3
x
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+
4
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+
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x
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18
b
y
x
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Q.
Let p(x) = 3x
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− 5x + 8. Find p(−2).
Q.
3
x
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−
4
x
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+
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(when
x
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)
Q.
Take away
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)
from
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3
x
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−
4
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)
Q.
Find the remainder using remainder theorem, when:
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is divided by
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