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Byju's Answer
Standard IX
Mathematics
Long Division Method to Divide Two Polynomials
Given fx = ...
Question
Given
f
(
x
)
=
4
x
4
+
6
x
3
+
6
x
2
+
6
x
+
2
,
g
(
x
)
=
2
x
+
2
. Divide
f
(
x
)
g
(
x
)
(Use division algorithm method)
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Solution
f
(
x
)
=
4
x
4
+
6
x
3
+
6
x
2
+
6
x
+
2
g
(
x
)
=
2
x
+
2
f
(
x
)
g
(
x
)
using division algorithm method,
so, the quotient
=
2
x
3
+
x
2
+
2
x
+
1
Hence, the answer is
2
x
3
+
x
2
+
2
x
+
1.
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Similar questions
Q.
Using division algorithm, find the quotient and remainder on dividing f(x) by g(x) where
f
(
x
)
=
6
x
3
+
13
x
2
+
x
−
2
a
n
d
g
(
x
)
=
2
x
+
1.
Q.
Apply division algorithm to find the quotient q(x) and remainder r(x) in dividing f(x) by g(x) in each of the following :
(i) f(x) = x
3
− 6x
2
+ 11x − 6, g(x) = x
2
+ x + 1
(ii) f(x) = 10x
4
+ 17x
3
− 62x
2
+ 30x − 3, g(x) = 2x
2
+ 7x + 1
(iii) f(x) = 4x
3
+ 8x + 8x
2
+ 7, g(x) = 2x
2
− x + 1
(iv) f(x) = 15x
3
− 20x
2
+ 13x − 12, g(x) = 2 − 2x + x
2