1.

If f= {(1, 2), (2, -3), (3, -1)} then find: (i) 2f, (ii) 2+f, (iii) f^(2), (iv) sqrt(f)

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ANSWER :(i) [(1,4),(2,-6),(3,-2)}, (ii) {(1,4),(2,-1),(3,1)}, (III) {(1,4),(2,9),(3,1)},(iv) `{(1,sqrt(2))}`


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