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The area of the triangle whose adjacent ...

The area of the triangle whose adjacent sides are represented by the vector `(4hat i + 3 hat j + 4 hat k)` and `5hat i` in sq. units is

A

25

B

12.5

C

50

D

45

Text Solution

Verified by Experts

The correct Answer is:
B
Area of triangle `=(1)/(2)|vecAxxvecB|`
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  13. if the vectors P = alphahati+alphaj+3hatk and Q = alphahati - 2 hatj -...

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