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JEE Main 9 Jan 2019 Shift 2 Solved Paper

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Question : 58

Total: 90

Let f : [0,1] → R be such that f (xy) = f (x) . f (y) for allx , y , ∊ [0,1] , and f (0) ≠ 0. If y = y (x) satisfies thedifferential equation,

= f (x) with y (0) = 1 , then y (

) is equal to :

4
3
5
2

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