The area of triangle ABC will be __________ . - Vidyadip

Question

The area of triangle ABC will be __________ .

✓

Answer

$\frac{1}{2}|\vec{a} \times \vec{b}|$

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 "Fill In The Blanks[1 Marks ]" from Vector Algebra→Vector Algebra — all question types→MATHS STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

The numbers $l r, m r$ and $n r$ proportional to direction cosines are called __________ of $\vec{r}$.

Fill in the blank.
Sum of two skew symmetric matrices is always _________ matrix.

Fill in the blank.
If $A$ is a symmetric matrix, then $A^3$ is a _________ matrix.

If $y=\sqrt{x^3}$ then the value of $\frac{d y}{d x}$ will be……..

If $y=\tan x^0$, then $\left(\frac{d y}{d x}\right)_{x=45^0}=$ _________ .

Fill in the blanks.
If $|\vec{\text{a}}\times\vec{\text{b}}|^2+|\vec{\text{a}}\cdot\vec{\text{b}}|^2=144$ and $|\vec{\text{a}}|=4,$ then $|\vec{\text{b}}|^2$ is equal to ________.

Derivative of$\sqrt{x^{-3}}$ at x = 4 is ___________ .

Fill in the blank.
If A and B are symmetric matrices, then:

AB – BA is a _________.
BA – 2AB is a _________.

The value of $\tan \left[\cos ^{-1}\left\{\sin \left(\cot ^{-1} 1\right)\right\}\right]$ is. ________

The range of principal value branch of $y=\sec ^{-1} x$ is _________