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Point, Lines, Plane and Solids

The component...

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The component of a vector A=2\overset⇀ i+3\overset⇀ j along the vector B=\overset⇀ i+\overset⇀ j is a.5/\sqrt2 b.4\sqrt2 c.\sqrt2/3 d. None of these

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

\to b = \land i + 2 \land j + \land k

.Find the component of

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along the direction

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Q. The area of parallegram represented by the vectors.

\to A = 2 \land i + 3 \land j

\to B = \land i + 4 \land j

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