Question

If -4 is a root of
${x}^{2} - px - 4 = 0$
and the equation
${x}^{2} - px + k = 0$
has equal roots, find the value of k.​

Answer 1

-4 is root of

x^2-px-4=0

PUT X=-4

P=-3

SIMILARLY PUT

P=-3 AND X=-4

K=4/3