Chapterwise/Topicwise Daily Practice Problems (DPP) Mechanics I JEE Main & Advanced>Chapter 3 - Vectors>DPP>Q 12

EASY

JEE Main

IMPORTANT

Earn 100

Two adjacent sides of a parallelogram are represented by the two vectors $\hat{i} + 2 \hat{j} + 3 \hat{k}$ and $3 \hat{i} - 2 \hat{j} + \hat{k}$ . What is the area of the parallelogram?

100% studentsanswered this correctly

Important Questions on Vectors

EASY

JEE Main

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Mechanics I JEE Main & Advanced>Chapter 3 - Vectors>DPP>Q 13

The vectors from origin to the points

A

and

B

are

\vec{A} = 3 \hat{i} - 6 \hat{j} + 2 \hat{k}

and

\vec{B} = 2 \hat{i} + \hat{j} - 2 \hat{k}

, respectively. The area of the

△ OAB

is

EASY

JEE Main

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Mechanics I JEE Main & Advanced>Chapter 3 - Vectors>DPP>Q 14

If

|\vec{A} \times \vec{B}| = \sqrt{3} \vec{A} ∙ \vec{B}

, then find the value of

|\vec{A} + \vec{B}|

.