If $R = {(a, - 2), (- 5, b), (8, c), (d, - 1)}$ represents the identify function, find the values of $a, b, c$ and $d$ .

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Solution

Given, $R = {(a, - 2), (- 5, b), (8, c), (d, - 1)}$
$R$ is identity function
$∴$ values are $a = - 2, b = - 5, c = 8, d = - 1$ .

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