Question

a , b are the zeroes of polynomial 2x2 - x - 1, then value of (1/a2) + (1/b2) is​

Answer 1

Answer:

(1/2∧0)+(1/2∧0)

Step-by-step explanation:

∧ this means raised to the power

Answer 2

Step-by-step explanation:

2x²-x-1=0

factorise

2x²-2x+x -1=0

2x(x-1)+1(x-1)=0

(2x+1)(x-1)=0

2x+1=0 x-1=0

2x= -1 x=1

x= -1/2

so now take a= -1/2, b=1

1/a² +1/b² = 1/(-1/2)²+1

=4+1=5