Question

need answers of this question pls​

Answer 1

let one zero be y and other be -y

so, 2x^2-3k+1-9

coefficients are

a=2

b=-(3k+1)

c=-9

so, sum of zeroes

=y+(-y)=-b/a

0=3k+1/2

3k+1=0

:K=-1/3