English, asked by santosininayak80, 4 months ago

two vectors P and Q has a sum of 18 and their resultant is 12 . The resultant is perpendicular to the smaller of the two vectors . Find the value of P and Q and angle between them

Answers

Answered by gayatrip958

0

Answer:

P⃗ ⋅(P⃗ +Q⃗ )=0

⟹P2+PQcosθ=0

⟹cosθ=−PQ

⟹θ=arccos(−PQ)

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