✓ Board-verified
Applied Mathematics · 2024 · 1 mark
CBSE 2024 · Central · Set 4 · Q4
The value of Δ= |42, 2, 5; 79, 7, 9; 29, 5, 3| is:
The value of $\displaystyle \Delta=\left|\begin{array}{ccc}42 & 2 & 5 \\ 79 & 7 & 9 \\ 29 & 5 & 3\end{array}\right|$ is :
Official answer
(A)
$\displaystyle 0$
More from Algebra
- If AB=A and BA=B, then (B^2+B) is equal to:2026 · asked 2×
- If [x+y, x+2; 2 x-y, 16] = [8, 5; 1, 3 y+1], then the values of x and y are:2023
- If |2 x, 5; 4, x| = |3, 5; 4, 6|, then the value of x is2025
- If |2, 3, 2; x, x, x; 4, 9, 1| +3=0, then the value of x is:2023
- If A and B are symmetric matrices of the same order, then (AB^′-BA^′) is a2025
- A and B are square matrices each of order 3 such that |A|=-1 and |B|=3. What is the value of |3 AB|?2023
- The inverse of matrix A= [4, -1; 2, 1] is2025
- If A= [1, 0; -2, 1] and B= [-5, 10; -10, -5], then AB is:2023
CBSE Class 12 Applied Mathematics past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.