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If the three planes rcdotn1=p1, rcdotn2=...

If the three planes `rcdotn_1=p_1, rcdotn_2=p_2 and rcdotn_3=p_3` have a common line of intersection, then `p_1(n_2timesn_3)+p_2(n_3timesn_1)+p_3(n_1timesn_2)` is equal to

A

(a) `1`

B

(b) `2`

C

(c) `0`

D

(d) `-1`

Text Solution

Verified by Experts

The correct Answer is:
(b)
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