Question

if alpha,beta,1 are roots of x3-2x2-5x+6=0 then alpha and beta is ​

Answer 1

Answer:

f(x)=x

3

−2x

2

−5x+6=0

α,β and 1 are its roots

⇒x

2

−x−6=0

x

2

−3x+2x−6=0

x(x−3)+2(x−3)=0

(x+2)(x−3)=0

x=−2,3

⇒α=2,β=−3

Hence, the answer is 2,−3.

Step-by-step explanation:

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