Let A-2-7-B-2-4k- C-9-30-4k-5- The ratio in which C- divides A-B- internally is-

The correct option is B 1:4 As shown in the figure let C⃗ divide A⃗B⃗ in a ratio K:1 So #160; C= KB+AK+1 9î+30ĵ+4k̂5 = K(î+2ĵ+ ...

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Section Formula

Let A⃗=2î+7...

Question

Let $\to A = 2^i + 7^j, \to B =^i + 2^j + 4^k, \to C = \frac{9^i + 30^j + 4^k}{5}$ .
The ratio in which $\to C$ divides $\to A B$ internally is?

1 : 4

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2 : 3

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3 : 2

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5 : 1

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Solution

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Similar questions

\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 = 2^i +^j + 3^k

\to b = 3^i + 2^j +^k

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

\to d =^i + 2^j -^k

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

(\to a + 2 \to b)

\to c

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

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

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

\to c = 2^i + 4^j + (λ^{2} - 1)^k

\to a \times \to c

\to A =^i + 2^j + 3^k, \to B = 4^i + 2^j, \to C = 2^i + 2^j + 2^k

C

A B

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