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Grade: 9
        
three vectors are given by a=3i+3j-2k,b=-i-4k+2k,c=2i+2j+2k,is a*(bc)=b*(ca)? defend your answer
5 months ago

Answers : (1)

Arun
11598 Points
							
Dear student

you can check
LHS
a X (b.c) = (3i + 3j –2k) X ( –2 –8 + 4)
=  –18 i  – 18j + 12k
RHS
b X (c.a) = ( –i – 4j + 2k) X (6 + 6 – 4)
= –8i – 32j + 16 k 
LHS is not equal to RHS 
5 months ago
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