O'Reilly logo

Calculus: Concepts and Methods by Joan Davies, Ken Binmore

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Answers to starred exercises with some hints and solutions

Chapter 1. Vectors and matrices

Exercises 1.2

1.      (i)      

(iv)     C + D is nonsense because C is 3 × 3 and D is 3 × 1.

(vii)    B is not square, so B + 3I is not defined.

(x)      

(xiii)  C A is nonsense because C is 3 × 3 and A is 2 × 3.

(xvi)   

(xviii) det(A) is nonsense because A is not square.

(xix)    det(B) is nonsense because B is not square.

(xxi)    

(xxii) det(C D) is nonsense ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required