1.

Showthat thefunction f : R to R : f (x) = {[-1 \ if \ x \ is \ irrational ], [1 \ if \ x \ is \ rational ]} ismany-oneinto. Find(i) f ((1)/(2)) \ (ii)f (sqrt(2))\ (iii) f (pi) \ (iv)f (2 +sqrt(3))

Answer»


ANSWER :`(i) 1 (II) -1 (III) -1 (IV) -1`


Discussion

No Comment Found

Related InterviewSolutions