Construct a 3 4 matrix whose elements are given by July 8, 2019 16 32 64 128 Construct a 3 * 4 matrix whose elements are given by aij 2i j Construct a 3 * 4 matrix whose elements are given by aij ij Construct a 3 4 matrix whose elements are given by aij i j Construct a 3 into 4 matrix whose elements are given by