Qus 2. Using suitable identities find :-
1) (0.1x'y 0.5y'x) (0.1x'y 0.5xy')

both equations and proportions are better.

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,