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Byju's Answer
Standard XI
Mathematics
A.G.P
In which of t...
Question
In which of the following tables
x
and
y
vary directly?
x
1
2
2
2
3
2
4
2
5
2
y
1
3
2
3
3
3
4
3
5
3
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Solution
Step: Check if
x
and
y
vary directly
x
1
2
2
2
3
2
4
2
5
2
y
1
3
2
3
3
3
4
3
5
3
From the given table, we have
1
2
1
3
=
1
2
2
2
3
=
4
8
=
1
2
⇒
1
2
1
3
≠
2
2
2
3
It is evident that the ratio of the corresponding values of
x
and
y
is not constant.
Hence,
x
and
y
do not vary directly with each other.
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Standard XI Mathematics
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