Question
If A has a skew symmetric matrix then $A ^2$ has ________ matrix.

Answer

symmetric

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

Similar questions

If direction ratios of a line are $1,1,-1$ then its direction cosines will be………
Fill in the blanks.
The vector equation of the line through the points (3, 4, -7) and (1, -1, 6) is __________.
Fill in the blanks.
The direction cosines of the vector $2\hat{\text{i}}+2\hat{\text{j}}-\hat{\text{k}}$ are ________.
The least value of the function $\text{f(x)}=\text{ax}+\frac{\text{b}}{\text{a}}(\text{a}>0,\text{b}>0,\text{x}>0)$ is ______.
If $y=\sin x^0$ and $\frac{d y}{d x}=k \cos x^0$, then $k=$ _________ .
Function $f: X \rightarrow Y$ is known as _________, if for every $y \in Y$ a element $x$ has in existence is X such that $f(x)$ $=y$.
In a classroom, teacher explains the properties of a particular curve by saying that this particular curve has beautiful up and downs. It starts at 1 and heads down until $\pi$ radian, and then heads up again and closely related to sine function and both follow each other, exactly $\frac{\pi}{2}$ radians apart as shown in figure.

Based on the above information, answer the following questions.
  1. Name the curve, about which teacher explained in the classroom.
  1. Cosine
  2. Sine
  3. Tangent
  4. Cotangent
  1. Area of curve explained in the passage from 0 to $\frac{\pi}{2}$ is.
  1. $\frac{1}{3}\text{ sq.unit}$
  2. $\frac{1}{2}\text{ sq.unit}$
  3. ${1}\text{ sq.unit}$
  4. ${2}\text{ sq.units}$
  1. Area of curve discussed in classroom from $\frac{\pi}{2}$ to $\frac{3\pi}{2}$ is.
  1. -2 sq. units
  2. 2 sq. units
  3. 3 sq. units
  4. -3 sq. units
  1. Area of curve discussed in classroom from $\frac{3\pi}{2}$ to $2\pi$ is.
  1. 1 sq. unit
  2. 2 sq. units
  3. 3 sq. units
  4. 4 sq. units
  1. Area of explained curve from 0 to $2\pi$ is.
  1. 1 sq. unit
  2. 2 sq. units
  3. 3 sq. units
  4. 4 sq. units
The values of a for which the function f(x) = sinx - ax + b increases on R are ______.
Fill in the blanks:
$\int\frac{\text{x}+3}{(\text{x}+4)^2}\text{e}^\text{x}\text{dx}=$ ________.
If $A =\left[\begin{array}{cc}\frac{1}{3} & 2 \\ 0 & 2 x-3\end{array}\right], B =\left[\begin{array}{cc}3 & 6 \\ 0 & -1\end{array}\right]$ and $AB = I$, then $x=$  __________ .