Find the value of k when the question
4n²-4nk +4=0 has
equal Notes:​

1 thought on “Find the value of k when the question<br />4n²-4nk +4=0 has<br />equal Notes:​”

1. Step-by-step explanation:

   If quadratic equation has equal roots then the value of discriminant is zero.

   b^2-4ac=0

   here a=4 ,b= -4k, c= 4

   b^2-4ac=0

   (-4k)^2-4*4*4=0

   16k^2-64=0

   16k^2=64

   k^2=64/16

   k^2=4

   k=2

   Reply