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Multiple choice
For a single Grover marked item in a large database, the success probability after one Grover iteration approaches the limiting value
4
/
π
2
4/\pi^2
4/
π
2
. What is this value numerically?
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4
/
π
≈
1.273
4/\pi \approx 1.273
4/
π
≈
1.273
2
/
π
≈
0.637
2/\pi \approx 0.637
2/
π
≈
0.637
4
/
π
2
≈
0.405
4/\pi^2 \approx 0.405
4/
π
2
≈
0.405
8
/
π
2
≈
0.811
8/\pi^2 \approx 0.811
8/
π
2
≈
0.811
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