Question

Plz help. Determine the greatest integral value of k for which (2xsquared - kx +2 =0) will have non-real roots

Answer 1

Step-by-step explanation:

2x^2-kx+2=0

delta<0

delta=b^2-4ac. a=2

=k^2-4*2*2 b=k

=k^2-16 c=2

=k=+-√16

=k=+-4

therefore the value of K is +-4