Question
Given$\left[\begin{array}{cc}2 & 1 \\ -3 & 4\end{array}\right] X =\left[\begin{array}{l}7 \\ 6\end{array}\right]$. the order of the matrix $X.$
✓
Answer
$\left[\begin{array}{cc}2 & 1 \\ -3 & 4\end{array}\right] X=\left[\begin{array}{l}7 \\ 6\end{array}\right]$
The order of matrix $X = 2 \times 1.$
The order of matrix $X = 2 \times 1.$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
In a single throw of a die, find the probability of getting a number:
not greater than 4.
not greater than 4.
Find the discriminant of the following equations and hence find the nature of roots: $7x^2 + 8x + 2 = 0$
→In each of the figure below, state the number of axes of symmetry, if any.
State the co-ordinates of the following points under reflection in x-axis:
(3, 2)
Find the slope of the line whose inclination is: $30^\circ$
→Alisha invested Rs 75000 for 4 years at 8 % p.a. compound interest,
Find the interest earned in the third year.
Find the interest earned in the third year.
A sum of Rs. 65000 is invested for 3 years at 8 % p.a. compound interest.
Find the compound interest earned in the first two years.
Find the compound interest earned in the first two years.
Construct a $2 \times 2$ matrix whose elements $a_{ij}$ are given by $a_{ij} = i.j$
→Wherever possible write of the following as a single matrix
$\left[\begin{array}{lll}2 & 3 & 4 \\ 5 & 6 & 7\end{array}\right]-\left[\begin{array}{ccc}0 & 2 & 3 \\ 6 & -1 & 0\end{array}\right]$
→$\left[\begin{array}{lll}2 & 3 & 4 \\ 5 & 6 & 7\end{array}\right]-\left[\begin{array}{ccc}0 & 2 & 3 \\ 6 & -1 & 0\end{array}\right]$
Write first four terms of the A.P., when the first term a and the common difference d are given as follows : a = 4, d = – 3