The Resultant Of A->+ B-> Is R1. On Reversing The Vector The Resultant Becomes R->2 . What Is Value Of R21 + R22 ?
The resultant of A->+ B-> is R1. On reversing the vector the resultant becomes R-> 2. What is
the value of R21 + R22?
(1) A2 + B2
(2) A2- B2
(3) 2(A2+B2)
(4) 2(A2-B2)
asked Jun 12 12:00:00 AM