Q. 18 consider the function fr)= ifz e (r |q)u{0}, -ifr = n ez\{0}, p € nand ged(n, p) =1. then (a) all r eq\ {0} are strict local minima for f. (b) fis continu

Q. 18 Consider the function fr)= ifz E (R |Q)U{0}, -ifr = n EZ\{0}, p € Nand ged(n, p) =1. Then (A) all r EQ\ {0} are strict local minima for f. (B) fis continuous at all z E Q. (C)f is not continuous at all z E R\Q. (D) f is not continuous at r = 0. Science Bangalore