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Let vectors bara, barb, barc and bard be...

Let vectors `bara, barb, barc` and `bard` be such that
`(baraxxbarb)xx(barcxxbard)=bar0`
Let `P_(1)` and `P_(2)` be the planes determined by the pairs of vectors `bara, barb` and `barc, bard` respectively.
Then the angle between `P_(1)` and `P_(2)` is

A

0

B

`pi/4`

C

`pi/3`

D

`pi/2`

Text Solution

Verified by Experts

The correct Answer is:
A
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