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KEAM 2022 Math Solved Paper
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© examsnet.com
Question : 52
Total: 120
Let
⊙
be a binary operation on
ℚ
−
{
0
}
defined by
a
⊙
b
=
a
b
. Then
1
⊙
(
2
⊙
(
3
⊙
4
)
)
is equal to
3
2
8
3
4
3
3
4
3
8
Validate
Solution:
3
⊙
4
=
3
4
2
⊙
3
4
=
2
3
∕
4
=
8
∕
3
1
⊙
8
3
=
1
∕
8
∕
3
=
3
∕
8
© examsnet.com
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