If one side of a square be represented by the vector 3- - 4- - 5k- then the area of the square is

The correct option is C 50 |a⃗| = √(9 + 16 + 25) = 5 √(2) Area |a⃗|^2 = 25 × 2 = 50 ...

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Applications of Dot Product

If one side o...

Question

If one side of a square be represented by the vector $3^i + 4^j + 5^k$ , then the area of the square is

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3^i + 4^j + 5^k

3^i + 4^j + 5^k

\to A = 3^i + 4^j + 5^k

\to B = 3^i + 4^j - 5^k

The angle between the two vectors $\to A = 3^i + 4^j + 5^k$ and $\to B = 3^i + 4^j - 5^k$ will be

\to A = 3^i + 4^j + 5^k

\to B = 3^i + 4^j + 5^k

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