Mathematics: Find the system determinant of the given matrix. [2, 4] [3,-9]

Find the system determinant of the given matrix.

birdwithpurpleboots

11.03.2022

$\left[\begin{array}{ccc}2&4\\3&-9\end{array}\right]\\\\\det\left[\begin{array}{ccc}2&4\\3&-9\end{array}\right]=(2)(-9)-(4)(3)=-18-12=-30$

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espiritu9632

11.03.2022

-30 will be the determinant.

Step-by-step explanation:

We have to find the system determinant of the given matrix

$\begin{bmatrix}2 & 4\\ 3 & -9\end{bmatrix}$

Determinant will be = 2(-9) - (4 × 3)

= -18 -12

= -30

Therefore, as per given options by you in the comments.

option A is the answer.

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lisamccray45

14.10.2021

There are two factor of 7 and 1 there prime number

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