ECAT Maths XII : Chapter 5 VECTOR DIFFERENTIATION (test 1) Leave a Comment / By Afshan JAMAL / July 3, 2026 Welcome to your ECAT Maths XII : Chapter 5 VECTOR DIFFERENTIATION (test 1) 1. Let A(x) = tan x i + ln x j + k. Then dA/dx is: sec²x j + (1/x)i sec x i + (1/x)k sec²x i + (1/x)j tan x i + (1/x)k None None Previous Start Quiz Next Time's up
