Maths-
General
Easy
Question
The value of 
is equal to
- 0
- 2
The correct answer is:
Given plane y + z + 1 = 0 is parallel to x-axis as 0.1 + 1.0 + 1.0 = 0
but normal to the plane will be perpendicular to x-axis.
Hence (c) is the correct answer.
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