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Byju's Answer
Standard X
Mathematics
Nature of Roots
If x 2+k 4 x+...
Question
If
x
2
+
k
4
x
+
k
-
1
+
2
=
0
has equal roots, then k =
(a)
-
2
3
,
1
(b)
2
3
,
-
1
(c)
3
2
,
1
3
(d)
-
3
2
,
-
1
3