MATH 3A Study Guide - Midterm Guide: Surjective Function, Linear Map, Scalar Multiplication

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15 Oct 2018
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MATH 3A Full Course Notes
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Math 54: label the following statements as either true or false. 2-dimensional. (h) if a and b are n n matrices and ab is invertible, then ba must be invertible too. September 24, 2015: a linear transformation, t : r3 r3, has the following e ect: Is it onto? (c) find a basis for the column and null spaces. 4. (a) let a be a n n matrix. September 24, 2015 (b) suppose a, b are n n matrices. If ab is invertible show a and b must both be invertible. (c) suppose ak = 0. Math 54: let b = {1, t 1, (t 1)2} be a subset of p2. (a) show that b is a basis for p2. (b) find the b-coordinate of 1 + 2t + 3t2. September 24, 2015: let s be the tetrahedron in r3 with vertices at (1, 1, 1), (2, 3, 4), (3, 4, 5), and (4, 5, 7).

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