FoundationNumeric answer
Square matrices and have and . What is , to three decimals?
Answer with a number. Fractions, powers and expressions like 23/6 or C(52,5) are read correctly in practice.
The worked solution is in Premium
The answer, the full working and the one idea to take away – for this and all 1,322 questions in the bank. Answer it in practice and your working is marked, with a known mistake named when you make one.
Learn the method
More linear algebra questions
- A 3 × 3 matrix has eigenvalues 3, −1 and 2. What is its determinant?Foundation
- What is the top-left entry of the inverse of [[4, 7], [2, 6]]?Foundation
- For invertible square matrices A and B, which identity is correct?Foundation
- What is the rank of uvᵀ for non-zero vectors u and v in ℝⁿ?Applied
- A matrix has eigenvalues 1, 2 and 3. What is the trace of A²?Applied
- A 5 × 8 matrix has rank 3. What is the dimension of its null space?Foundation