Question

please answer this question ...

Answer 1

Sum of zeroes of a polynomial is given by

$\frac{- coffiecient of x}{coffiecient of x }$

= $\frac{2}{k^2 -14}$

Given,

Sum of zeroes = 1

$\frac{2}{k^2 -14}$ = 1

k²-14 = 2
k² = 16
k = ±4