Sadri Hassani. Mathematical Methods for Students of Physics and Related Fields, 2nd edition. Springer

Part II. Algebra of Vectors

Chapter 7. Finite-Dimensional Vector Spaces


문제 7.14 및 솔루션



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(b) 에서 계산 어디가 틀렸길래 최종 값에 (-) 부호가 붙은 걸까요 원래 붙지 말아야 하는데