PLEASE ANSWER THIS WITH EXPLANATION!
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Answer:
angle will be 0 degree
Explanation:
magnitude sum of two vectors
r^2=p^2+q^2+2pqcos theta --------1eq
given
r=p+q
squaring both sides
r^2=p^2+q^2+2pq-----------2eq
equate these two you will get your answer :/
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