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Byju's Answer
Standard XII
Mathematics
Graphical Interpretation of Derivative
Let fx=[ x si...
Question
A
k = 0
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B
k = 1
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C
k = 1/x
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D
k = 2
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Solution
The correct option is
A
k = 0
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Similar questions
Q.
Find the values of k for which the roots are real and equal in each of the following equations:
(i)
k
x
2
+
4
x
+
1
=
0
(ii)
k
x
2
-
2
5
x
+
4
=
0
(iii)
3
x
2
-
5
x
+
2
k
=
0
(iv)
4
x
2
+
k
x
+
9
=
0
(v)
2
k
x
2
-
40
x
+
25
=
0
(vi)
9
x
2
-
24
x
+
k
=
0
(vii)
4
x
2
-
3
k
x
+
1
=
0
(viii)
x
2
-
2
5
+
2
k
x
+
3
7
+
10
k
=
0
(ix)
3
k
+
1
x
2
+
2
k
+
1
x
+
k
=
0
(x)
k
x
2
+
k
x
+
1
=
-
4
x
2
-
x
(xi)
k
+
1
x
2
+
2
k
+
3
x
+
k
+
8
=
0
(xii)
x
2
-
2
k
x
+
7
k
-
12
=
0
(xiii)
k
+
1
x
2
-
2
3
k
+
1
x
+
8
k
+
1
=
0
(xiv)
2
k
+
1
x
2
+
2
k
+
3
x
+
k
+
5
=
0
(xvii)
4
x
2
-
2
k
+
1
x
+
k
+
4
=
0
(xviii)
4
x
2
-
2
k
+
1
x
+
k
+
1
=
0