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                                    43. Maximum and minimum magnitudes of resultant of two vectors are 14 unit and 2 unit. Find the magnitude of theresultant when the angle between them is 90° | 
                            
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Answer»  Mean a is 8 and b is 6By adding them ans is 14 while subtracting ans is 2 So use pathagorous theorem to find resultant at perpendicular. . R = √ (8)² + (6)²R = √ 64+36R = √ 100R = 10 tq  | 
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