Question :-
Check wheather 7 + 3x is a factor of 3x³ + 7x.
Subject - maths
Class - 9th.
Chapter - Polynomials.
No need Copied answer.
Answers
Answered by
2
Answer:
Apply remainder theorem
7+3x=0
3x=−7 or x=
3
−7
Replace x=
3
−7
in the equation, we get
3x
3
+7x =3(
3
−7
)
3
+7(
3
−7
)
=3(
27
−343
)−
3
49
=
9
343
−
3
49
This value is not equal to zero then 7+3x is not a factor of
3x
3
+7x
Answered by
0
Answer:
Apply remainder theorem
Step-by-step explanation:
7+3×=0
3×=-7 or ×=
3
_7
in the equation we get
3×
3
+7×=3(
3
-7
)
3
+7(
3
_7
)
=3(
27
_343
)_
3
49
=
9
343
_
3
49
this value is not equal to zero then 7+3× is not a factor of
3×
3
+7×
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