Question

plz give answer fast​

Answer 1

x  

2

−4x+k=0 is of the form ax  

2

+bx+c=0 where a=1b=−4c=k

Roots are equal⇒ Discriminant=0

⇒b  

2

−4ac=0

⇒(−4)  

2

−4×1×k=0

⇒16−4k=0

⇒−4k=−16

∴k=  

4

16

​  

=4