The maximum value of directional derivative is (a) b) vo IVo d) none of these O a Ob O Od Curl(A+B) is equal to (a) Vox A+O(V x A) (b) vo.A +O(V.A) (c) V20.A + O(V.A) (d) None of these O a O b O Od
refer this video for que 1. option c is right for que 1
https://youtu.be/G6lYSI3T3PU
I think your second question is wrong. bcoz there is no phi in the question.