If two vectors a and b are such that - a -6- b -3 and a - b -9- then the value of - a - b - is

Given, nbsp;|a|=6, |b|=3 and a.b=9 nbsp; We know that, nbsp; a.b= |a||b|cosθ ⇒9=6·3·cosθ ⇒cosθ=12 ⇒θ=60^∘ Now, |a×b|=|a||b|sinθ =6× 3sin( ...

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Angle between Two Lines

If two vector...

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If two vectors $\to a$ and $\to b$ are such that $| \to a | = 6, | \to b | = 3$ and $\to a \cdot \to b = 9,$ then the value of $| \to a \times \to b |$ is _____

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A = (1, 1, 1), C = (0, 1, - 1)

B

A \times B = C

A \cdot B = 3

9 {| B |}^{2}

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\to b

| \to a | = 1, | \to b | = 4, | \to c |^{2} = 192

\to a . \to b = 2

\to c = (2 \to a \times \to b) - 3 \to b

\to b

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\to a

\to b

| \to a | = 1, | \to b | = 4

\to a \cdot \to b = 2

\to c = (2 \to a \times \to b) - 3 \to b

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If a, b, c are unit vectors such that a + b + c = 0, then find the value of a.b + b.c + c.a

A = (1, 1, 1)

C = (0, 1, - 1)

B

A \times B = C

A \cdot B = 3

9 {| B |}^{2}

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