Question

If the zeros of polynomial x cube minus 3 x square + x + 1 hour alpha minus beta alpha and alpha + beta find alpha and beta​

Answer 1

Given that cubic polynomial,

x³-3x²+x+1

then,

(a-b)+a+(a+b)=-b/a

3a=-(-3)/1

3a=3

a=3/3

a=1

Again,

(a-b)*a*(a+b)=-d/a

a(a²-b²)=-1/1

1(1²-b²=-1

1-b²=-1

-b²=-1-1

-b²=-2

b±2

b=±√2

that

a=1

b=√2

Answer 2

Answer:

alpha = and beta = √2

Explanation:

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