Find the value of k for which the quadratic equation 3^2+2+k=0 has two equal roots.
it's urgent plz answer me quickly
Answers
Answered by
0
Answer:
3y
2
+ ky+ 12= 0
Comparing equation with
ax
2
+
bx+
c=
0
x=
y
b=
k
c=
12
a= 3
Since the equation has 2 equal roots,
D=
0
⇒
b 2
4ac= 0
⇒
k 2
4× 3× 12= 0
⇒
k 2
144
∴ k= ±12
Answered by
0
Answer:
this is not quadratic equation I think u kept wrong question so I answered for what u kept
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