Question

if if alpha and beta are zeros of the quadratic polynomial X equal to X square + 4 x + K such that Alpha square plus B plus beta square + alpha beta equal 21 upon 4 the value of k is.
(a) -2
(b) 0
(c) -5/2
(d)5/2
full solution​

Answer 1

Answer:

Mark as brainliest

Step-by-step explanation:

i think c

Answer 2

I think it might be D)5/2