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Question : 26 of 121
Marks:
+1,
-0
Solution:
The line of intersection of the planes
r(2−+) =1
and
r(+3−) is perpendicular to each of the normal vectors
r1(+3−)=2 and
r1=+3−) ∴ It is parallel to the vector
r1×r2=(2−+)x
r(+3−) −2+3+7
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