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Question
If R = {( a, -2), (- 5, b ), (8, c), ( d, -1)} represents the identity function, find the values of a, b, c and d.
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Solution
In Identity function value of the output is the same as input value. Using this conditiona=−2b=−5c=8d=−1
a=−2b=−5c=8d=−1
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