k x^2-2kx+2=0 has equal roots then K =?
Answers
Answered by
0
Answer:
ANSWER
Quadratic equation has equal roots then b
2
−4ac=0
Given that kx
2
−2kx+6=0
Here a=k,b=−2k and c=6
Now, (−2k)
2
−4×k×6=0
⇒4k
2
−24k=0
⇒4k(k−6)=0
⇒k=0 or k=6
Similar questions