Question

If alpha and beta are the zeros of a quadratic polynomial x square - 2 X + 1 then find the value of alpha square plus beta square

Answer 1

Answer:

2

Step-by-step explanation:

x²-2x+1

x²-1x-1x+1

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

(x-1)(x-1)

therefore α=1;β=1

α²+β²=1²+1²

        =2