Question

find K if one zero of polynomial X square + 2 X + 3 k - 1 is a reciprocal of others​

Answer 1

alpha=1/beta(according to the question)

so,

alpha*beta=c/a

use the condition

we get,

1/beta * beta=3k-1

1=3k-1

2=3k

3k=2

k=2/3 is the answer