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JEE Main 26 June 2022 Shift 2 Solved Paper

Section: Mathematics
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Question : 21 of 90
 
Marks: +1, -0
Let f:R→R satisfy f(x+y)=2xf(y)+4yf(x),∀x,y∈R. If f(2)=3, then 14.‌
f′(4)
f′(2)
 is equal to___
[26-Jun-2022-Shift-2]
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