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Find a third degree polynomial with the given zeros and a leading coefficient of 4. 1/2, 3/2, 2​

User MonOve
by
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1 Answer

13 votes

Answer:


4x^3-16x^2+19x-6

Explanation:

P(x)=a(x-r1)(x-r2)(x-r3)

This is a third degree polynomial of leading coefficient a, where r1, r2 and r3 are the roots.

So just replace it with the values you are asked for :


4\left(x-(3)/(2)\right)\left(x-(1)/(2)\right)\left(x-2\right)\\

Then expand and you will find the answer :
4x^3-16x^2+19x-6\\

User Alina Li
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