Question

The sum of zeroes of px^- x +1 =0 is-2 then p= .

Answer 1

Given equation= px^2 -x +1 .....(1)

Given sum of zeroes= -2

we know that sum of zeroes = -b/a

from equation..(1) = -(-1)/p = 1/p

-2 = 1/p

p= -1/2..is the answer..