TS ICET 2017 Question Paper with Solutions for online practice

Question : 117 of 200

Marks: +1, -0

Let A(2, 2); B(6, - 1) and C (7, 3) be the vertices ot a triangle. The equation of the straight line passing through (1,1) and parallel to the median AD of the triangle ABC is

x + y - 2 = 0
9x - 2y - 11 = 0
2x + 9y + 11 = 0 ( 4 ^ 2k;+ 9y- 1 4 - 0
2x + 9y- 14 = 0
None of the above

Validate

Solution:

Let AD be the median

D:({6+7}/2,{-1+3}/2)

(13/2,1)

Slope of AD

={2-1}/{2-13/2}=1/{-9/2}=-2/9

y-1=-2/9(x-1)

⇒9y–9=–2x+2

⇒2x+9y–11=0

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