Question

2) The roots of kx² + 2kx +6=0 are real and equal, find k.
b) 4 (c) 2 d) 6
a) o​

Answer 1

Given equation= Kx^+2Kx+6

And B^-4AC=0

SO, a=k, b=2k and c=6

So, (2k)^-4(k)(6)=0

4k^-24k=0

4k=24

K=6. Answer