Question

if α and β be the zeroes of polynomial 4x2-5x-1 find the value of α+β and 2α-2β

Answer 1

Answer:

α+β= -b/a

= 5/4

and 2α-2β = 2(α-β)

(α-β)²=(α+β)²-4αβ

(5/4)²+ 4*1/4

= 25/16 +1

=√41/4

2(α-β)=2*√41/4

= √41/2

i think this is ur answer

i hope it will help u