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KCET 2022 Math Solved Paper
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© examsnet.com
Question : 25
Total: 60
If
A
n
=
[
1
−
n
n
n
1
−
n
]
then
A
1
|
+
A
2
|
+
.
.
.
+
A
2021
|
=
−
2021
(
2021
)
2
−
(
2021
)
2
4042
Validate
Solution:
👈: Video Solution
A
n
=
[
1
−
n
n
n
1
−
n
]
|
A
n
|
=
(
1
−
n
)
2
−
n
2
=
1
+
n
2
−
2
n
−
n
2
© examsnet.com
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