Home
Class 12
MATHS
Find the inverse using elementary row ...

Find the inverse using elementary row transformations: `[7 1 4-3]`

Text Solution

Verified by Experts

(i)We know that,
`A``A^(-1)=I`
So,
`[(7,1),(4,-3)]A^(-1)=[(1,0),(0,1)]`
Applying `r1=1/7r1` and `r=r2-4r1`
`[(1,1/7),(0,-(25)/7)]A^(-1)=[(1/7,0),(-4/7,1)]`
...
Promotional Banner

Topper's Solved these Questions

  • ADJOINTS AND INVERSE OF MATRIX

    RD SHARMA|Exercise QUESTION|1 Videos

  • ALGEBRA OF MATRICES

    RD SHARMA|Exercise Solved Examples And Exercises|410 Videos

Similar Questions

Explore conceptually related problems

Find the inverse using elementary row transformations: [3 10 2 7]

Find the inverse using elementary row transformations: [2 3 1 2 4 1 3 7 2]

Find the inverse using elementary row transformations: [2-1 3 1 2 4 3 1 1]

Find the inverse using elementary row transformations: [1 6-3 5] (ii) [2 5 1 3]

Find the inverse using elementary row transformations: [2-1 4 4 0 2 3-2 7]

Find the inverse using elementary row transformations: [3-3 4 2-3 4 0-1 1]

Find the inverse using elementary row transformations: [3 0-1 2 3 0 0 4 1]

Find the inverse using elementary row transformations: [1 1 2 3 1 1 2 3 1]

Find the inverse using elementary row transformations: [-1 1 2 1 2 3 3 1 1]

Find the inverse using elementary row transformations: [0 1 2 1 2 3 3 1 1]