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If (x, y) divides the line segment joining (6, 5) and (4, 7) in the ratio 1 : 1 internally, then find the value of (x, y).1. (3, 4)2. (4, 3)3. (5, 6)4. (8, 5) |
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Answer» Correct Answer - Option 3 : (5, 6) Given: (x, y) divides the line segment joining (6, 5) and (4, 7) in the ratio 1 : 1 internally. Formula Used: x = (mx2 + nx1)/(m + n) y = (my2 + ny1)/(m + n) Calculation: x = (mx2 + nx1)/(m + n) ⇒ x = (1 × 4 + 1 × 6)/(1 + 1) ⇒ x = (4 + 6)/2 ⇒ x = 10/2 ⇒ x = 5 y = (my2 + ny1)/(m + n) ⇒ y = (1 × 7 + 1 × 5)/(1 + 1) ⇒ y = (7 + 5)/2 ⇒ y = 12/2 ⇒ y = 6 ∴ The value of (x, y) is (5, 6). |
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