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AP EAMCET Engineering 2015 Code C Paper
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© examsnet.com
Question : 35
Total: 160
If
x
2
+
y
2
=
25
, then
l
o
g
5
[
Max
(
3
x
+
4
y
)
]
is
2
3
4
5
Validate
Solution:
(
x
,
y
)
=
(
5
cos
θ
,
5
sin
θ
)
Maximum
(
15
cos
θ
+
20
sin
θ
)
=
25
log
5
25
=
2
© examsnet.com
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