Misc 16 - If a.b >= 0, then only when (A) 0 < theta < pi/2 - Miscellaneous

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  1. Chapter 10 Class 12 Vector Algebra
  2. Serial order wise

Transcript

Misc 16 If is the angle between two vectors and , then 0 only when (A) 0 < < 2 (B) 0 2 (C) 0 < < (D) 0 . = | | | | cos where is the angle between and Given, . 0 cos 0 Assuming 0 and 0 cos 0 cos 0 0 2 So, (B) is the correct answer

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.