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In the triangle PQR, PQ = 2a and QR = 2b. The mid-point of PR is M. Find following vectors in terms of a and b.

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In the triangle PQR, PQ = 2a and QR = 2b. The mid-point of PR is M. Find following vectors in terms of a and b.

(i) PR

(ii) PM

(iii) QM

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Given : \(\overline{PQ} = 2\overline{a}, \overline{QR} = 2\overline{b}\)

(ii) \(\overline{PM}\)

∵ M is the midpoint of PR

(iii) \(\overline{QM}\)

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