Question

If the roots of the equation 4 x^2 − kx +1 = are equal, then the value of k is

Answer 1

Answer:

a=4

b=-k

c=1

d=b^2-4ac

0= k^2-16

16=k^2

+-4= k

The value of k is +4 and -4

Answer 2

Step-by-step explanation:

x=4

I have explained the steps in the picture above