a. Explain the statement, "a deficiency in vector analysis in the study of electromagnetics is similar to a deficiency in algebra and calculus in the study of physics". b. Illustrate vector addition using head-to-tail and parallelogram method. c. Illustrate vector subtraction using head-to-tail. d. Write summary on how to plot given points in Cartesian Coordinate System. downvote for copied and wrong answer...... avoid plagiari**