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Paragraph/Comprehension type questions. Triangle law of vectors :“If two vectors are represented by the two sides of a triangle taken in an order, then their real(sum) is given by the closing side of the triangle taken in the reverse order".114. IfĀ=B++ and the magnitudes of A, B and C are 5,4 and 3 units respectively, the angle betweenA and B is. |
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