If a- - 3- -4- and b- - -2- -3k- - find a-b-

a̅ =( 3î 4ĵ #160; ) b̅ =( 2î +3k̂ #160; ) ⇒ a× b=[ i amp; j amp; k 3 amp; 4 amp; 0 2 amp; 0 amp; 3 ] ...

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Question

If $¯ a = (3^i - 4^j)$ and $¯ b = (- 2^i + 3^k),$ find $¯ a \times ¯ b$

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Solution

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