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If p (3, 2, 3), Q (4, 6, 2), R (7, 3, 2)...

If p (3, 2, 3), Q (4, 6, 2), R (7, 3, 2) are the vertices of `DeltaPQR`, then find `angleQPR=`

A

`(pi)/6`

B

`cos^(-1)(7/(18))`

C

`cos^(-1)(1/(18))`

D

`(pi)/3`

Text Solution

Verified by Experts

The correct Answer is:
D
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