JEE Mains Model Paper 20

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Question : 12 of 90

Marks: +1, -0

If P = [

√3

2

1

2

−1

2

√3

2

], A = [

1	1
0	1

] and Q = PAPT, then PT(Q2005)P is equal to

[
1 2005
0 1
]
[
√3
2
2005
1 0
]
[
1 2005
√3
2
1
]
[
1
√3
2
0 2005
]

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