If A = i + j +k and B = -i + -j + -k, -A and -B?

Indranil

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If A = i + j +k and B = -i + -j + -k, -A and -B =? Could you explain please? (the portion taken from the sclar and the vector)
 

Dr.Peterson

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If A = i + j +k and B = -i + -j + -k, -A and -B =? Could you explain please? (the portion taken from the sclar and the vector)
To negate a vector, you just multiply it by the scalar -1: -A = -1(i + j + k). What do you get?

Please show your own work and thinking.
 

Indranil

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To negate a vector, you just multiply it by the scalar -1: -A = -1(i + j + k). What do you get?

Please show your own work and thinking.
-A = -1(i + j + k) = -i - j - k
-i -j - k = -i + -j + -k ?
 
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mmm4444bot

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