A particle moves in such a way that its position vector at any time is rt) =ti +tj +tk The magnitude of its normal acceleration is given by O None from these answers 2+2

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A: Given, f(-1)=0f(1)=2f(2)=3f(3)=12

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Q: Solve the differential equations y' + (tan x) y = cos2 x, -π/2 &lt; x &lt; π/2

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