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AP EAMCET Engineering 2015 Code A Paper
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Question : 67
Total: 160
If
x
=
a
t
2
and
y
=
2
a
t
,
then
d
y
2
d
x
2
at
t
=
1
2
is
−
2
a
4
a
8
a
−
4
a
Validate
Solution:
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