Let a-b- be two noncollinear vectors- If c-x-2a-b- d-2x-1a-b- are collinear then x-

The correct option is B 13 c=kd (x 2)a+b=k((2x+1)a b) As a amp; b are non collinear so 1= k (2x+1)=x 2 2x 1=x 2 ...

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Multiplication of a Vector by a Scalar

Let a⃗,b⃗ b...

Question

Let $\to a, \to b$ be two noncollinear vectors. If $\to c = (x - 2) \to a + \to b, \to d = (2 x + 1) \to a - \to b$ are collinear then $x =$

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Similar questions

\to a

\to b

| \to a | = 1,

| \to b | = 4

\to a \cdot \to b = 2.

\to c = (2 \to a \times \to b) - 3 \to b,

\to b

\to c

∣ \to a ∣= 1, ∣ \to b ∣= 2

∣ \to c ∣= 3

\to a, \to b, \to c

∣ \to d ∣= 4

∣ \frac{[\to d \to b \to c] \to a + [\to d \to c \to a] \to b + [\to d \to a \to b] \to c}{[\to a \to b \to c]} ∣

(x - 2) \to a + \to b

(2 x + 1) \to a - \to b

x

\to a, \to b, \to c, \to d

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

\to a, \to b, \to c, \to d

{(\to a \times \to b) \times (\to c \times \to d)} \times (\to a - \to b) =

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