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प्रश्न
If A = {a, b, c, d} and the function f = {(a, b), (b, d), (c, a), (d, c)}, write f–1
उत्तर
Given,
A = {a, b, c, d} and f = {(a, b), (b, d), (c, a), (d, c)}
So,
f–1 = {(b, a), (d, b), (a, c), (c, d)}
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