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Let f:R rarr R be a differentiable funct...

Let `f:R rarr R` be a differentiable function that satisfies the relation `f(x+y)=f(x)+f(y)-1,AA x,y in R`. If `f (0)=2`,then `|f(-2)|` is equal to

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JEE MAINS PREVIOUS YEAR-JEE MAINS 2023 JAN ACTUAL PAPER-Question
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