X and Y are two points with position vectors 3a→+b→ and a→-3b→ respectively. Write down the position vector of a point Z which divides the line segment XY in the ration 2:1 externally.

X and Y are two points with position vectors 3a→+b→ and a→-3b→

1.	X and Y are two points with position vectors 3a→+b→ and a→-3b→ respectively. Write down the position vector of a point Z which divides the line segment XY in the ration 2:1 externally.
Answer» X and Y are two points with position vectors $3 \vec{a} + \vec{b} and \vec{a} - 3 \vec{b}$ respectively. Write down the position vector of a point Z which divides the line segment XY in the ration 2:1 externally.

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X and Y are two points with position vectors 3a→+b→ and a→-3b→ respectively. Write down the position vector of a point Z which divides the line segment XY in the ration 2:1 externally.

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