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 |

1 Answer - 5876 Votes

3537

Since angle between and is , we have Given that are in G.P., so Squaring both sides, Or Or |