2) if ä is a constant function, then d is a) both solenoidal and irrotational b) solenoidal c)irrotational d) neither solenoidal nor irrotational 3) ifdis any v

2) If ä is a constant function, then d is a) Both solenoidal and irrotational b) Solenoidal c)Irrotational d) Neither solenoidal nor irrotational 3) Ifdis any vector and f = xi + yj + zk, then grad (a. P)is a) b) c) axr d) None of the above 4) Iff = xi+yj + zk, then div f is a) b) 1 c) 2 d) 3