9.Question 9Matrix multiplication works if its two operands1 pointare vectors; specifically, the first one is a column vector and the second one is a row vector of any length.are scalars. are square matrices of the same size.The first and second options are correct.The second and third options are correct.All of the options are correct.

10.Question 10Array multiplication works if the two operands1 pointare square matrices of the same size.have the same inner dimensions.are vectors.have the same outer dimension.

Which among the statements below are correct about the vectors?i. Each vector may not have a vector representation at times.ii. Vectors can either be represented by an arrow or by component.iii. Equivalent vectors have the same magnitude and the same direction while equal vectors have the same magnitude.iv. There are two ways to perform multiplication on vectors: scalar product and vector product.Group of answer choicesi and iiiii and ivi and iiiii and iv

Two matrices A and B are multiplied to get AB if:Question 29Answera.No. of rows of A is equal to no. of columns of B.b.None of these.c.Both are rectangular.d.Both have same order.

Two vectors  and  are given. Then which of the following options is/are correct?

8.Question 8The value of p after this command: A = [1:4; 5:8; 9:12]; p = size(A);1 pointwill be 12will be a 3-by-4 matrixwill be a 2-element vector4