for what value of a is the polynomial 2x^3 - 9x^2 + x + a exactly divisible by 2x - 3 ?
Answers
Answered by
11
Step-by-step explanation:
Answered by
1
Answer:
asthepolynmialisdividedby2x−3
sox=
2
3
nowputtingthevalueofxwegetthevalueofa
2x
3
−9x
2
+x+a=0
2(
2
3
)
3
−9(
2
3
)
2
+
2
3
+a=0
2×
8
27
−9
4
9
+
2
3
+a=0
4
27
−
4
81
+
2
3
+a=0
4
27−81+6
+a=0
−
4
48
+a=0
a=
4
48
=12
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