First HP: how should I enter non-digital in matrices in

How do you find the determinant of the [[e ^ 2 x, e ^ x 3], [2nd ^ 2 x, 3 ^ x 3]] or [[Sinx, Cosx] [-Sinx, Cosx]] using the first HP

or is there a way to enter a matrix increased with the coefficients to be written in standard form with the constant term on the right side?

or how to solve the following problem, given the matrix A = [[2, -2], [1,3]] and matrix B = [[x, y], [z 2]] if the elements of the matrix B is the Assistant of a matrix A using the first HP?

The answers change depending on how you use your premium:

(a) do you have at home or in the CASE?  (I suggest CASES!)

b which mode of entry that you use: manual algebraic and RPN? (I suggest manual!)

If you are using certification authorities, manual entry and manual display, the answers to your questions are:

(1) just type DET (and then the matrix that you showed, except that you cannot use the implicit multiplication in 2nd ^ 2 x, so you must type 2 * e ^ 2 x in manual mode and 2 * e ^(2*x) in algebraic mode; and you can't use implicit brackets in Sinx, so you must type Sin (x).)  My first gets e ^ x ^ 5 as the determinant of the matrix of your example.

(2) augmented matrix? Sure. Just type. Then RREF will solve the system.

(3) to resolve the last example you gave, I need to know what definition of "Assistant" you use (there are two).

Tags: Notebooks

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