The position vectors of P, Q and R are \(11i + j, 5i + \frac{13}{3}j\) and \(2i + 6j\) respectively. (a) Show that P, Q and R lie on a straight line. (b) Fi...

The position vectors of P, Q and R are \(11i + j, 5i + \frac{13}{3}j\) and \(2i + 6j\) respectively. 

(a) Show that P, Q and R lie on a straight line.

(b) Find the ratio of \(|\overrightarrow{PQ}| : |\overrightarrow{QR}|\)

Answer Details

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