Let `A(0,1),B(1,1) ,C(1,-1) ,D(-1,0)` be four points. If P is any other point, then `PA+PB+PCPDged`, when `[d]` is where `[.]` represents greatest int

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Let `A(0,1),B(1,1) ,C(1,-1) ,D(-1,0)` be four points. If P is any other point, then `PA+PB+PCPDged`, when `[d]` is where `[.]` represents greatest int

Let `A(0,1),B(1,1) ,C(1,-1) ,D(-1,0)` be four points. If P is any other point, then `PA+PB+PCPDged`, when `[d]` is where `[.]` represents greatest integer.

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - 4
`(AP+PC)` is minimized when P lies on AC and `BP+PD` is minimized when P lies on BD. Thus.
`AP+PB+PC+PD=AC+BD=2sqrt(5)`

7 views Answered 2023-02-05 15:29