need help 17-19

019 10.0 points The identity curl(v x F) = (V . F)v+ (v . V)F holds for all vectors v and vector fields F. True or False? 1. identity is FALSE 2. identity is TRUE1. identity is FALSE 2. identity is TRUE 017 10.0 points The identity curl(v x x) = 2v holds for all vectors v = ai+ bj + ck when x = xi+ yj +zk. True or False? 1. identity is FALSE 2. identity is TRUE 018 10.0 points Find the divergence of the vector field F = 3x cosxy i - y cosxy j - 2xyz sin xy k. 1. divF = 6 sinxy - 2xy cos xy 2. div F = 2 sin xy - 4xy cos xy 3. div F = 2 cosxy - 4xy sin xy 4. div F = 6 cosxy + 2xy sin xy 5. divF = 2 cosxy + 4xy sin xy 6. div F = 6 sin xy + 2xy cos xy