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CBSE Class 11-science Answered

what is dot product
Asked by Kattaithihaas | 24 Jul, 2022, 13:23: PM
answered-by-expert Expert Answer
Scalar product of two vectors is called as dot product because the symbol dot is used
for multiplication of vectors to get the result as scalar value.
 
Scalar product or dot product of vectors begin mathsize 14px style A with rightwards arrow on top end style and begin mathsize 14px style B with rightwards arrow on top end style is defined as
begin mathsize 14px style A with rightwards arrow on top space times space B with rightwards arrow on top space equals space open vertical bar A with rightwards arrow on top close vertical bar space open vertical bar B with rightwards arrow on top close vertical bar space cos theta end style
where |begin mathsize 14px style A with rightwards arrow on top end style| is magnitude of vector begin mathsize 14px style A with rightwards arrow on top end style, |begin mathsize 14px style B with rightwards arrow on top end style| is magnitude of vector begin mathsize 14px style B with rightwards arrow on top end style and θ is angle between two vectors
Answered by Thiyagarajan K | 24 Jul, 2022, 14:39: PM

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