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i am not understandin the concept of dot product nd cross product...
plzz explain me ....i am not understanding WHY is it used for????thnku
Dear student,
The Dot Product We define the dot product of two vectors v = ai + bj and w = ci + dj to be
v . w = ac + bd
The Cross Product Between Two Vectors
Definition Let u = ai + bj + ck and v = di + ej + fk be vectors then we define the cross product v x w by the determinant of the matrix:
W e can compute this determinant as
= (bf - ce) i + (cd - af) j + (ae - bd) k
We are all IITians and here to help you in your IIT JEE preparation. All the best. If you like this answer please approve it.... win exciting gifts by answering the questions on Discussion Forum Sagar Singh B.Tech IIT Delhi
We are all IITians and here to help you in your IIT JEE preparation. All the best.
If you like this answer please approve it....
win exciting gifts by answering the questions on Discussion Forum
Sagar Singh
B.Tech IIT Delhi
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