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AP and TS EAMCET Engineering Model Paper 14
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© examsnet.com
Question : 39
Total: 159
If x is real, then maximum value of
3
x
2
+
9
x
+
17
3
x
2
+
9
x
+
7
is
17
7
1
4
41
1
Validate
Solution:
Let
y
=
3
x
2
+
9
x
=
17
3
x
2
+
9
x
+
7
=
1
+
10
3
x
2
+
9
x
+
7
maximum of y
=
1
+
10
min
.
of
(
3
x
2
+
9
x
+
7
)
=
1
+
10
1
∕
4
=
41
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