If b- -3- -4- and a- - - the vector having the same magnitude as that of b- and parallel to a- is

The correct option is D 5 /√( 2 )( î ĵ) Given that, a #160; = 3i + 4j b #160; = 3i + 4j [ a = i j #160; /√( 2 ) #160; ...

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Definition of Vector

If b⃗ =3î +...

Question

If $\to b = 3^i + 4^j$ and $\to a =^i -^j$ the vector having the same magnitude as that of $\to b$ and parallel to $\to a$ is

\frac{5}{\sqrt{2}} (^i -^j)

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\frac{5}{\sqrt{2}} (^i +^j)

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5 (^i +^j)

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5 (^i -^j)

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Solution

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Similar questions

\to a =^i -^j

\to b = 3^i + 4^j

\to b

\to a

\to a = 2^i + 4^j - 5^k, \to b =^i +^j +^k, \to c =^j + 2^k

\to a + \to b + \to c

\to a = 3^i +^j +^k, \to b =^i -^j + 2^k a n d \to c = 2^i -^j -^k

\to d

¯ d

\to c

\to d

\to a = 10, \to b = 1

If $\to a = 5^i -^j + 7^k, \to b =^i -^j + λ^k$ find $λ,$ , if $\to a + \to b$ and $\to a - \to b$ are orthogonal

\to A =^i +^j -^k, \to B = 2^i -^j +^k, \to C = \frac{1}{\sqrt{5}} (^i - 2^j + 2^k)

\to C . (\to A \times \to B)

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