1.

In the matrix A = \(\begin{bmatrix} a&1&x \\[0.3em] 2&\sqrt3&x^2 - y \\0&5&-\frac{2}{5} \\[0.3em] \end{bmatrix}\), write(i) The order of the matrix A(ii) The number of elements(iii) Write elements a23, a31, a12

Answer»

For the given matrix,

(i) The order of the matrix A is 3 x 3.

(ii) The number of elements of the matrix = 3 x 3 = 9

(iii) Elements: a23 = x2 – y, a31 = 0, a12 = 1



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