Download App

[ Question Bank ] — Maths STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceMaths[ Question Bank ]1 Mark
Question
If $x+y=\left[\begin{array}{ll}2 & 1 \\ 1 & 2\end{array}\right]$ and $2 x-y=\left[\begin{array}{ll}1 & 2 \\ 2 & 1\end{array}\right]$ then find the value of $x$.
✓

Answer

self

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "1 Marks Question" from [ Question Bank ]→[ Question Bank ] — all question types→Maths STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

Let A be the set of all students of a boys school. Show that the relation R in A given by R = {(a, b) : a is a sister of b} is the empty relation and R′ = {(a, b) : the difference between heights of a and b is less than 3 meters} is the universal relation.
→
Find the rate of change of the volume of a sphere with respect to its surface area when the radius is 2cm.
→
Evaluate the following:
$\tan^{-1}(\tan1)$
→
If A and B are square matrices of the same order 3, such that |A| = 2 and AB = 21, write the value of |B|.
→
If A and B are two independent events, then the probability of occurrence of at least one of A and B is given by 1- P(A')(P(B').
→
If f(x) is differentiable at x = c, then write the value of $\text{f}\lim_\limits{\text{x}\rightarrow{\text{c}}}\text{f(x)}.$
→
Classify the following measures as scalar and vector:
10 meters south-east.
→
Determine whether or not each of the definition of $*$ given below gives a binary operation. In the event that $*$ is not a binary operation, give justification for this.
On $Z^+,$ define $*$ by $a * b = a - b$
→
Write the vector equation of the following line: $\frac{\text{x-5}}{3}=\frac{\text{y+4}}{7}=\frac{\text{6-z}}{2}.$
→
Determine the order and degree of the following differential equations. state also whether they are linear or non linear.
$\text{y}=\text{x}\frac{\text{dy}}{\text{dx}}+\text{a}\sqrt{1+\Big(\frac{\text{dy}}{\text{dx}}\Big)^2}$
→