Question

plz solve and give me proper solutions​

Answer 1

Answer:

the 1st option is crct bcoz no other points lie on the given function graph

only points given in 1st option lies on the graph

$\frac{4x}{ {x}^{2} + 1 } = \frac{4( - 1)}{ { - 1}^{2} + 1 } = - 2 \\ = > ( - 1. - 2) \\ = > \frac{4x}{ {x}^{2} + 1 } = \frac{4}{ {1}^{2} + 1} = 2 \\ = > (1. \: 2)$

hope it helps u

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