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(3) 60(4)9015. सदिश A तथा B इस प्रकार हैं कि A + B = |A-B सदिशA तथा B के मध्य कोण होगा -[RPMT 1999, AIPMT 2006](1) 90 (2) 60 (3) 75 (4) 45 |
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Answer» 90°square of both side we will get cos theta= 0 means angle 90 90° will be the best ans 4:(45)is the correct answer. 45 is the correct answer 45 is correct option 45 is correct answer 45 is the right answer |
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