ismailhajisaid8359 ismailhajisaid8359

11-03-2024
Mathematics

contestada

Suppose that A = [[a-3,5],[-3,a-2]] Find the determinant of matrix A
A. det(A)=a²+a+21
B. det(A)=a²-5a-9
C. det(A)=a²-5a+21
D. None of these answers
E. det(A)=a²-5a+9

Respuesta :

Otras preguntas

What is the equation for the cones volume?

please help me in this :")

1. Annie and her friends are playing a game called Doubles. In the game, a player rolls two number cubes at the same time. The outcome of each roll is the sum o

5. Write about Big Business during the Industrial Revolution. Incorporate 4 of the follow terms into your paragraph: Robber Barons,Cronyism, Kickbacks, Nepotism

a. Missing x:-6 Missing y:22 c. Missing x:-7 Missing y:20 b. Missing x:-7 Missing y:22 d. Missing x:-6 Missing y:21

determine intervals when the graph is concave up or concave down

Two of these three triangles are congruent. Choose the triangle that is not congruent to the other two. A triangle has 1 side length of 2.8 centimeters and 2 si

The two DNA strands are held together by ____________ bonding between the bases on the different strands; therefore, all the bases are on the ____________ of th

A quadrilateral is shown. One pair of opposite sides have lengths of 10 inches and (x + 2) inches. The other pair of opposite sides have lengths (x + 5) inches

Joe is currently in consumer equilibrium by consuming cheese and crackers, such that the last cracker consumed yielded 8 utils and the last piece of cheese cons