Question

If a and B are the zeros of the polynomial xsquare - 4x +3,then show that 1/a+1/b-2aB+14/3=0​

Answer 1

Step-by-step explanation:

x²-4x+3

x²-3x-x+3

x(x-3)-1(x-3)

(x-3)(x-1)

x-3=0 or x-1=0

x=3 or x=1

1/3+1/1-2(3)(1)+14/3

1/3+1-6+14/3

1+3-18+14/3

18-18/3

0/3

0

LHS=RHS