Let - - - be three unit vectors such that - - - - and the angle between - and - is 30 o- Then - is -

The correct option is C ± 2( β⃗×γ⃗) Now, since α⃗ ⃗ ⃗ ⃗#⃗1⃗6⃗0⃗;⃗ , β⃗ ⃗ ⃗ ⃗#⃗1⃗6⃗0⃗;⃗ and #160; γ⃗ ⃗ ⃗ ⃗#⃗1⃗6⃗0⃗;⃗ are unit vectors, then ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Applications of Dot Product

Let α⃗ ,β⃗ ...

Question

Let $\to α, \to β, \to γ$ be three unit vectors such that $\to α . \to β = \to α . \to γ$ and the angle between $\to β$ and $\to γ$ is $30^{o}$ . Then $\to α$ is ?

2 (\to β \times \to γ)

No worries! We‘ve got your back. Try BYJU‘S free classes today!

- 2 (\to β \times \to γ)

No worries! We‘ve got your back. Try BYJU‘S free classes today!

\pm 2 (\to β \times \to γ)

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

(\to β \times \to γ)

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

Suggest Corrections

Similar questions

\to α, \to β, \to γ

\to α . \to β = \to α . \to γ = 0

\to β

\to γ

30^{\circ} .

\to α

\to α + \to β + \to γ = a \to δ

\to β + \to γ + \to δ = b \to α, \to α

\to δ

\to α + \to β + \to γ + \to δ

\to α | | (\to β \times \to γ)

(\to α \times \to β) . (\to α \times \to γ)

a

\to α =^i + 2^j, \to β = 2^i + a^j + 10^k

\to γ = 12^i + 20^j + a^k

\to α, \to β

\to γ

a (\to α \times \to β) + b (\to β \times \to γ) + c (\to γ \times \to α) = \to 0

a, b, c

\to α, \to β, \to γ

Join BYJU'S Learning Program