Explain whether the following system is aromatic or not.

Explain why the following system is not aromatic.

What is Huckel rule? Explain why the following system are not aromatic.

Whether the following compound are aromatic or not:

Examine whether the following system of linear equations is consistent or not. If consistent solve the system : 7x+3y=0, 4x-5y=0

Examine whether the following system of linear equations is consistent or not. If consistent, solve the system by using matrix method : x+y=2,2x+3y=5

Examine whether the following system of linear equations is consistent or not. If consistent, solve the system by using matrix method : 2x+3y=4,4x+6y=2

Examine whether the following system of linear equations is consistent or not. If consistent, solve the system by using matrix method : 3x-y=5,12x-4y=20

Examine whether the following system of linear equations is consistent or not. If consistent, solve the system by using matrix method : 3x-5y=0,2x+y=0

Examine whether the following system of linear equations is consistent or not. If consistent, solve the system by using matrix method : x-4y=0, 2x-8y=0

Examine whether the following systems of linear equations are consistent or not. If consistent, solve the system by Cramer's rule or by using some other method : 6x+4y=2, 9x+6y=3