A -2 - 3 -k- and C -6 -2 k- Value of A -2 B -3 C would beA- 20 -5 -4 k-B- 20 -5 -4 k-C- 4 -5 -20 k-D- 5 -4 -10 k-

The correct option is B 20î 5ĵ 4k̂ A⃗ 2B⃗+3C⃗ = 2(î+ĵ) 2(3ĵ k̂)+3(6î 2k̂) =2î+ĵ 6ĵ+2k̂+18î 6k̂=20î 5ĵ 4k̂ ...

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Addition and Subtraction in Unit Vector Notation

A =2 î+ĵ, 3 ĵ...

Question

$\to A = 2^i +^j, 3^j -^k$ and $\to C = 6^i - 2^k$ . Value of $\to A - 2 \to B + 3 \to C$ would be

$20^i - 5^j + 4^k$

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$20^i - 5^j - 4^k$

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$4^i + 5^j + 20^k$

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$5^i + 4^j + 10^k$

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Solution

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Similar questions

_{1} = 2^i + 2^j N

_{2} = 3^j + 4^k N

$\to A = (2^i + 3^j -^k)$

$\to B = (2^i + 5^j - 2^k)$

find $(3 \to A - 2 \to B)$

^i +^j -^k, 2^i + 3^j, 5^j - 2^k

^k -^j

1 kg

_{1} = (^i + 2^j + 7^k),_{2} = (3^i + 5^j +^k),

_{3} = (6^i + 2^j + 3^k)

_{4} = (2^i -^j + 5^k)

A = 2^i + 4^j -^k

B = 4^i + 5^j +^k

G

A B C

3^i + 5^j -^k

C

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