Question

[tex] \left|\begin{array}{ccc}2&3&4\\4x&6x&8x\\5&7&6\end{array}\right| .........,Select Proper option from the given options.

(a) 18x

(b) 0

(c) 1

(d) 18x³ [/tex]

Answer 1

Dear Student:

determinant is zero.

By solving we got term of x nullified and finally becomes zero.

See the attachment.