Question

if a and B are zeros of the quadratic polynomial p(x)=x²-8x+K such that a-B=4 then the value of K is ​

Answer 1

Answer:

a+B=-b/a=-(-8)/1=8---1

a-B=4---2

Solve 1 and 2

then a=6 B=2

aB=6(2)=12=c/a=K/1=K

HENCE K=12