# Answer on Quantum Mechanics Question for promise

Question #52042

Given three vectors

a⃗ =−i⃗ −4j⃗ +2k⃗

,

b⃗ =3i⃗ +2j⃗ −2k⃗

,

c⃗ =2i⃗ −3j⃗ +k⃗

, calculate

a⃗ ⋅(b⃗ ×c⃗ )

−6

6

9

−9

a⃗ =−i⃗ −4j⃗ +2k⃗

,

b⃗ =3i⃗ +2j⃗ −2k⃗

,

c⃗ =2i⃗ −3j⃗ +k⃗

, calculate

a⃗ ⋅(b⃗ ×c⃗ )

−6

6

9

−9

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