Question

If alpha and beta are the zeros of the quadratic polynomial f of x is equal to 4 x square - 5 x minus 1 then find the value of Alpha minus beta

Answer 1

Answer:

root(41/16)

Step-by-step explanation:

$xy = - 1 \div 4 \: \: \: x + y = 5 \div 4 \\ x - y = \sqrt{( {x + y})^{2} - 4xy }$