The area (in sq. units) of the parallelogram whose diagonals are represented by the vectors a=2i-j+k and b=3i+4j-k, is Option 1: sqrt(155) Option 2: 1/3sqrt(155) Option 3: 1/4sqrt(155) Option 4: 1/2sqrt(155)

The answer is '1/2sqrt(155)'. View full solution:

CUET Mathematics - The area (in sq. units) of the parallelogram whose diagonals are represented by the vectors a=2i-j+k and b=3i+4j-k, is | PYQs + Solutions

CUET Mathematics 2026 22nd May Shift 2

Algebra

Medium

core

$\sqrt{155}$

$\frac{1}{3}\sqrt{155}$

$\frac{1}{4}\sqrt{155}$

$\frac{1}{2}\sqrt{155}$

✅ Correct Option: 4

Related questions:

31st May Shift 2

In $\triangle ABC$ , Which of the following are True?

A. $\overline{AB}+\overline{BC}+\overline{CA}=\vec{0}$

B. $\overline{AB}+\overline{BC}-\overline{AC}=\vec{0}$

C. $\overline{AB}+\overline{BC}-\overline{CA}=\vec{0}$

D. $\overline{AB}-\overline{CB}+\overline{CA}=\vec{0}$

Choose the correct answer from the options given below:

21 May Shift 2

The vector in the direction of the vector $2\hat{i} - \hat{j} - 2\hat{k}$ that has magnitude 9 units is:

16 July Shift 2

If $\vec{a} = \hat{i} - \hat{j} + \hat{k}$ , $\vec{b} = 2\hat{i} + \hat{j} - 3\hat{k}$ , $\vec{c} = 2\hat{i} - \hat{j} + 7\hat{k}$ and $\vec{a} \times (\vec{b} \times \vec{c}) = \lambda \vec{b} + \mu \vec{c}$

(When $\lambda$ , $\mu$ are scalars), then the value of $\lambda + \mu$ is:

CUET Mathematics 2026 22nd May Shift 2 PYQs

Keyboard Shortcuts