Question

In the triangle PQR, PQ = 2a and QR = 25. The mid-point of PR is M. Find followingvectors in terms of a and b.(i) PR(ii) PM(iii) QM​

Answer 1

Answer:

Step-by-step explanation:

if you meant QR as vector 2b then PR vector would be PQ vector + QR vector. Thus PR vector is 2a +2b....

PM thus would be half of PR vector

ie: PM=a+b....

QM vector would be QP vector + PM vector

since PQ is 2a QP would be -2a

thus QM vector=a+b-2a=b-a

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