Find the sum of the vectors a- - - - 2- -k- - -2- - 4- - 5k- and c- - - - 6- - 7k-

Add the vectors a⃗ =î 2ĵ +k̂ , b⃗ = 2î +4ĵ +5k̂ and c⃗ =î 6ĵ 7k̂ #160;by writing them in the component form that is a⃗ = lt; 1, 2,1 ...

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Addition of Vectors

Find the sum ...

Question

Find the sum of the vectors $\to a =^i - 2^j +^k = - 2^i + 4^j + 5^k$ and $\to c =^i - 6^j - 7^k .$

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

\to A = 2^i - 3^j + 7^k, \to B =^i + 2^j

\to C =^j -^k .

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

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

\to b = 2^i - 4^j - 3^k, \to c = -^i + 2^j + 2^k

\to a + \to b + \to c = 4^i - 4^j

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

\to a + 2 \to b - 3 \to c

\sqrt{78}

\to a =^i + 2^j + 4^k, \to b = 2^i - 3^j +^k

\to c =^i + 4^j - 4^k

\to a \times (\to b \times \to c)

\to A = 3^i - 2^j +^k, \to B =^i - 3^j + 5^k

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

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