Math, asked by adityarajtiwari59, 8 months ago

A = 2i-3j-5k and B=-7i+6j+8k find A×B

Answers

Answered by ali1771

0

Answer:

# Answer : -72

Step-by-step explanation:

# Explanation:

A = 2i - 3j -5k

B = -7i +6j + 8 k

A.B = (2i - 3j -5k)(-7i +6j + 8 k) [i.i = 1 , j.j =1 , k.k=1]

A.B = -14 -18 -40 => -72

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