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A man starts walking from the point P( -3, 4), touches the x-axis at R, and then turns to reach at the point Q(0, 2). The man is walking at a constant speed. If the man reaches the point Q in the minimum time, then `50 ((PR)^2 + (RQ)^2)` is equal to __________ .

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JEE MAINS PREVIOUS YEAR-JEE MAINS 2021-Mathematics Section B
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