The vectors `vec(P) = 2 hat(i) + log_(3) x hat(j) + a hat(k)` and `vec(q) = -3 hat(i) + a log_(3) x hat(j) + log_(3)

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Q 2261801725.     The vectors `vec(P) = 2 hat(i) + log_(3) x hat(j) + a hat(k)` and

`vec(q) = -3 hat(i) + a log_(3) x hat(j) + log_(3) x hat(k)` include an acute angle for
A

`a=0`

B

`a < 0`

C

`a> 0`

D

no real value of `a`

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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