Q8.Check whether polynomial p(x) = 2x3 – 9x2 +x+12 is a multiple of 2x-3 or not?
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Answered by
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Answer:
Step-by-step explanation:
→GIVEN :
⇒p(x)=2x^3-9x^2+x+12
⇒ 2x-3=0
2x=3
x=3/2
⇒sub in the polynomial
p(3/2)=2(3/2)^3-9(3/2)^2+3/2+12
⇒p(3/2)=2(27/8)-9(9/4)+3/2+12
⇒p(3/2)=27/4-9/2+3/2+12
⇒p(3/2)=
⇒p(3/2)=0
∴ it is a multiple
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