Ratio in which the join of (2, 1) and (–1, 2) is divided by... | MATH - SYSTEM OF CO-ORDINATES, DISTANCE BETWEEN | SolveeIt | Solveeit

Today, August 18

Question

Ratio in which the join of (2, 1) and (–1, 2) is divided by the line x + 3y + 5 = 0 is-

A

1 : 1 internally

B

1 : 1 externally

C

2 : 1 externally

D

None of these

Answer

1 : 1 externally

Explanation

Solution

K = – $\left( \frac{2 + 3 \times 1 + 5}{- 1 + 3 \times 2 + 5} \right)$ = – $\left( \frac{10}{10} \right)$ = – 1

1 : 1 externally