Maharashtra State BoardHSC Arts 12th Board Exam
Advertisement Remove all ads

The Inverse of the Matrix -1,5,-3,2 is - Mathematics and Statistics

Advertisement Remove all ads
Advertisement Remove all ads
Advertisement Remove all ads
MCQ
Sum

The inverse of the matrix `[[-1,5],[-3,2]]` is _______

Options

  • 1/13`[[2,-5],[3,-1]]`

  • 1/13 `[[-1,5],[-3,2]]`

  • 1/13 `[[-1,-3],[5,2]]`

  • 1/13 `[[1,5],[3,-2]]`

Advertisement Remove all ads

Solution

(A) 1/13`[[2,-5],[3,-1]]`

|A| = - 2 + 15 = 13

`A^-1 = ("adj" A)/|A| = ([[2,-5],[3,-1]])/13`

`A^-1=1/13[[2,-5],[3,-1]]`

Concept: Matrices - Inverse of a Matrix Existance
  Is there an error in this question or solution?

APPEARS IN

Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×