JEE MAIN - Mathematics (2019 - 11th January Evening Slot - No. 20)
If in a parallelogram ABDC, the coordinates of A, B and C are respectively (1, 2), (3, 4) and (2, 5), then the
equation of the diagonal AD is :
5x + 3y – 11 = 0
5x – 3y + 1 = 0
3x – 5y + 7 = 0
3x + 5y – 13 = 0
Explanation
co-ordinates of point D are (4, 7)
$$ \Rightarrow $$ line AD is 5x $$-$$ 3y + 1 = 0
$$ \Rightarrow $$ line AD is 5x $$-$$ 3y + 1 = 0
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