CBSE Class 11-science Answered
A×B where A= 2i-3j-k and B =i+4j-2k
Asked by banhisikhapanda49 | 07 Nov, 2023, 22:42: PM
Expert Answer
A = 2i-3j-k and B =i+4j-2k
A x B =
Thus,
A x B = i [(-3) x (-2) - (4) x (-1)] - j [(-2)x(2) - (1) x (-1)] + k [(2) x (4) - (1) x (-3)]
= i [6+4] - j [-4+1] + k [8+3]
= 10i + 3 j + 11 k
Thus,
Cross product of two vectors A and B is,
A x B = 10i + 3 j + 11 k
Answered by Shiwani Sawant | 08 Nov, 2023, 10:48: AM
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