Question

http://prntscr.com/9jc41m

Answer 1

@Mehek14

Answer 2

What're you struggling with? Mind showing what you have so far?

Answer 3

multiply by the denominators

Answer 4

\[\frac AB=\frac CD\\
\frac AB\times BD=\frac CD\times BD\\
\frac A{\cancel B}\times \cancel BD=\frac C{\cancel D}\times B\cancel D\\
AD=CB
\]

Answer 5

(assuming \(B\) and \(D\) \(\neq0\))

Answer 6

would option b be my answer?

Answer 7

Would it? you might want to show your work first...

Answer 8

use cross multiplication

Answer 9

\[\left[\begin{matrix}a & b \\ c & d\end{matrix}\right]=a(d)=c(b)\]