Question

5. If alfhaand beta are the zeroes of the quadratic polynomial f(x)=x²-5x+4, find the value of -2aß.​

Answer 1

Answer:

this is the answer to your question

Answer 2

$\alpha \beta = \frac{c}{a} = \frac{4}{1} = 4$
therefore
$- 2( \alpha \beta ) = - 2(4) = - 8$
hope it helps you