The vector B-4-2-Sk- is perpendicular to the vector A-3-2k- if S-

The correct option is B 7 B⃗ is perpendicular to A⃗ if, B⃗.A⃗=0 (4î+2ĵ Sk̂).(3î+ĵ+2k̂)=0 or, 12+2 2S=0 ⇒ S=7 ...

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Work Done as Dot Product

The vector ...

Question

The vector $^B = 4^i + 2^j - S^k$ is perpendicular to the vector $\to A = 3^i +^j + 2^k$ if $S =$

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\to A = 2 \to i -^j + 3^k

\to B = 3^i - 2^j + 2^k

(\to A + \to B)

\to a + \to b

\to a - \to b

\to a = 3^i + 2^j + 2^k

\to b =^i + 2^j - 2^k

\to a + \to b

\to a - \to b

\to a = 3^i + 2^j + 2^k

\to b =^i + 2^j - 2^k

\to a = 4^i - 2^j +^k

\to b = 3^i + 6^j + 2^k

\to a

\to b

\to b

\to A = 4^i -^j + 3^k

\to B = - 2^i +^j - 2^k

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