Question

★ Explain :-
cross product or vector product of two vectors ★

Answer 1

HEY friend your answer is
The cross product a × b is defined as avector c that is perpendicular (orthogonal) to both a and b, with a direction given by the right-hand rule and a magnitude equal to the area ofthe parallelogram that the vectorsspan.
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Answer 2

Heya.....!!!


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♦ Cross Product / Vector Product ♦

=> Cross product :- When multiplication of two vectors is a vector then such type of product is called " Vector Product " Or " Cross Product ".


=> Cross product is represented as :- a × b = c
(( a , b and c are vectors ))


=> The direction of cross product is ( c = a × b ) is determined according to " Right Hand Thumb Rule " .


** Important Points regarding Vector Product **

=> the vector product of two perpendicular vectors that is ' a' is perpendicular to' b ' and angle say alpha ( @ ) ,, @ = 90°

:- | a× b | = | a | | b | sin90° = ab .


=> Vector product of 2 similar unit vector is 0 .

• i × i = 0
• j × j = 0
• k × k = 0

[ here i , j and k are unit vectors ] .


=> Vector product of 2 perpendicular unit vectors is a unit vector .

• i × j = k ,, j × i = - k

• j × k = i ,, k × j = - i

• k × i = j ,, i × k = - j



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