Find the scalar and vector products of a = 3i -4j +5k and b= -2i +j -3k
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Hi Mate!!!
We know that dot product of two vectors is scalers and cross product of two vectors is vectors.
a.b = (3 ×-2) (i .i ) + ( -4 × 1 ) ( j.j) + ( 5 ×-3) ( k.k)
j.j = k.k=i.i = 1
a.b = [ -6 -4 -15]
a.b = -25
a×b = 7i -j +11k. by using determinant.
We know that dot product of two vectors is scalers and cross product of two vectors is vectors.
a.b = (3 ×-2) (i .i ) + ( -4 × 1 ) ( j.j) + ( 5 ×-3) ( k.k)
j.j = k.k=i.i = 1
a.b = [ -6 -4 -15]
a.b = -25
a×b = 7i -j +11k. by using determinant.
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