Let 
be a vector on rectangular coordinate system with sloping angle 
. Suppose that 
is geometric mean of 
and 
, where 
is the unit vector along 
-axis. Then find value of 
Let be a vector on rectangular coordinate system with sloping angle . Suppose that is geometric mean of and , where is the unit vector along -axis. Then find value of
Question ID - 153304 | SaraNextGen Top Answer
Let be a vector on rectangular coordinate system with sloping angle . Suppose that is geometric mean of and , where is the unit vector along -axis. Then find value of
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Let |
1 Answer
127 votes
Answer Key / Explanation : (1) -
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(1) Since angle between
Given that Squaring both sides,
Or Or |
and 
is 
, we have
are in G.P., so 
127 votes
Answer Link
127