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WBJEE 2024 Math Paper

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Question : 7

Total: 75

Let y=f(x) be any curve on the X−Y plane & P be a point on the curve. Let C be a fixed point not on the curve. The length PC is either a maximum or a minimum, then

PC is perpendicular to the tangent at P
PC is parallel to the tangent at P
PC meets the tangent at an angle of 45∘
PC meets the tangent at an angle of 60∘

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