First slide
Scalars and Vectors
Question

the  area of the triangle formed by the adjacent sides with A=3i^+2j^4k^  and B=i^+2j^+k^  is

Moderate
Solution

A=3i^+2j^4k^ ; B=i^+2j^+k^

A×B=|i^j^k^324121|

=i^(2+8)j^(34)+k^(6+2)=10i^+7j^4k^

Area of triangle =12|A×B|=12102+72+42

=1652units .

Get Instant Solutions
When in doubt download our app. Now available Google Play Store- Doubts App
Download Now
Doubts App