Sign in
Please select an account to continue using cracku.in
↓ →
Let M be a $$2 \times 2$$ symmetric matrix with integer entries. Then M is invertible if
the first column of M is the transpose of the second row of M
the second row of M is the transpose of the first column of M
M is a diagonal matrix with nonzero entries in the main diagonal
the product of entries in the main diagonal of M is not the square of an integer
Create a FREE account and get:
Terms of Service
CAT Formulas PDF CAT Exam Syllabus PDF CAT Study Plan PDF Cracku Brochure