Question

state parallelogram law of vector addition show that the resultant of law vector A and B inclined at an angle is given by..
$r = \sqrt{} {a}^{2} + {b}^{2} + 2ab \: cos \:$

Answer 1

Answer:

according to parallelogram law of vector addition If two vectors represent two adjacent sides of a parallelogram then they resultant is the diagonal started from a common point of the parallelogram

Answer 2

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