Question

If α and β   are the zeroes of  the polynomial P(x)=x² -5x+4 then α+β-2αβ​

Answer 1

Answer:

a5

Step-by-step explanation:

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Answer 2

Answer:

Given equation is x^2-5x+4=0. so, a=1,b= -5 and c=4

α and β are the roots of the quadratic equation.

α+β= -b/a= -(-5/1)= 5

α*β= c/a= 4/1=4

Therefore, α+β-2αβ

=5-2*4

=5-8

= -3