1.

Solve for x and y, given that `[{:(x,y),(3y,x):}][{:(1),(2):}]=[{:(3),(5):}].`

Answer» We have
`[{:(x,y),(3y,x):}][{:(1),(2):}]=[{:(3),(5):}]`
`implies" "[{:(x+2y),(3y+2x):}]=[{:(3),(5):}]`
`implies" "{{:(x+2y=3" "...(i)),(2x+3y=5" "...(ii)):}`
Multiplying (i) by 2 and subtracting (ii)from it, we get y=1.
Putting y=1 in (i), we get x=1.
Hence, x=1 and y=1.


Discussion

No Comment Found

Related InterviewSolutions