Two planes are prependicular to one another- One of them contains vector a- b- and the other contains c- d- then a-b- - c-d- -

The correct option is D 0 Let plane P , contains a,b vector n⃗_1= a⃗×b⃗ Plane P_2 contain c⃗,d⃗ vector n⃗_2=c⃗×d⃗ If P ...

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Angle between Two Planes

Two planes ar...

Question

Two planes are prependicular to one another. One of them contains vector $\to a, \to b$ and the other contains $\to c, \to d$ then $(\to a \times \to b) . (\to c \times \to d) =$

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[\to a \to b \to c]

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[\to b \to c \to d]

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\to a, \to c

\to b, \to d

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

[\to b \to c \to d] = 4

(\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) + k \to a = 0

k

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

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\to a, \to b, \to c

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(\to a \times \to b) . (\to c \times \to d) = 1

\to a . \to c = \frac{1}{2}

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