If 
, then
a)
b)
c)
d)
If , then
a)
b)
c)
d)
Question ID - 52780 | SaraNextGen Top Answer
If , then
a)
b)
c)
d)
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If |
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a) |
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b) |
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c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (d) -
(d)
We have, 
is perpendicular to
and 
.
is perpendicular to 
.
are mutually perpendicular.
Again 
...(i)
Also, 
….(ii)
From Eqs. (i) and (ii), we get
127 votes
Answer Link
127