plz give answer fast
Attachments:

Answers
Answered by
0
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
Similar questions
Math,
3 months ago
Social Sciences,
3 months ago
English,
5 months ago
Math,
1 year ago
Physics,
1 year ago