Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • School
  • Need solution for RD Sharma Maths Class 12 Chapter 24 Vector Or Cross Product Exercise Very Short Answer Question, question 21.

Need solution for RD Sharma Maths Class 12 Chapter 24 Vector Or Cross Product Exercise Very Short Answer Question, question 21.

Answers (1)

ANSWER:

  1

HINT:

Use formula  |\vec{a} \times \vec{b}|^{2}+(\vec{a} \cdot \vec{b})^{2}=|\vec{a}|^{2}|\vec{b}|^{2}

GIVEN:

\overrightarrow{a} and \overrightarrow{b} be two  unit vectors

SOLUTION:

\begin{aligned} \therefore|\vec{a}| &=1 \\ \end{aligned}

|\vec{b}|=1

Using formula

\begin{aligned} |\vec{a} \times \vec{b}|^{2}+(\vec{a} \cdot \vec{b})^{2} &=|\vec{a}|^{2}|\vec{b}|^{2} \\ &=(1)^{2}(1)^{2} \\ &=1 \end{aligned}

 

Posted by

infoexpert24

View full answer

Crack CUET with india's "Best Teachers"

  • HD Video Lectures
  • Unlimited Mock Tests
  • Faculty Support
cuet_ads

Similar Questions

Trending Articles/News

anam-khan

CBSE directs schools to relieve teachers for Class 10, 12 board exams 2026 evaluation
anam-khan

CBSE Class 12 answer scripts to be checked via on-screen marking from 2026: Board
anam-khan

CBSE Admit Card 2026 (OUT) LIVE: Class 10 and 12 theory exam hall ticket at parikshasangam.cbse.gov.in

Latest Question