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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 | Toppr 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

1 Answer - 5876 Votes

3537

Answer Key : (1) -

(1)

Since angle between  and  is , we have

Given that  are in G.P., so

Squaring both sides,

Or

Or



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