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Solution $\text { (s) of } f(x)=x$ are (Graph of $y=f\left ( x \right )$ is given below )

Option: 1
$\left \{ -1 \right \}$

Option: 2
$\left \{ -0.5 \right \}$

Option: 3
$\left \{ 2\right \}$

Option: 4
$\left \{ -1,2\right \}$

Answers (1)

best_answer

Sol: For solution of $f\left ( x \right )=x$ we see points of intersection of $y=f\left ( x \right )$ and $y=x$

Points of intersection are (-1,-1) and (2,2)

so, solution are $x=-1,2$

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manish

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