Question

Form a cubic polynomial with zeros 3,2 amd -1

Answer 1

Hello friend

Let the cubic polynomial be p(x)

It's zeros are 3,2,-1

So the factors will be (x-3),(x-2),(x+1)

A cubic polynomial will at most have three zeros

So by multiplying all its three factors, we will get the polynomial

(x-3)(x-2)(x+1)

=(x²-2x-3x+6)(x+1)

=(x²-5x+6)(x+1)

=x³+x²-5x²-5x+6x+6

=x³-4x²+x+6

Here we got the polynomial

Hope it helps!

Answer 2

this is the another way to do it

hope it helped you

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