Single Correct Answer the three points A (1.6),B (3,-4) and C (x.y) are collinear, then the equation satisfying xand y is A 5x +y-11=0 B 5x+13y+5=0 C 5x-13y +5=0 D 13x-5y+ 5=0
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Disclaimer: There is error in the Q. In (II) there should have been 2x - 3y = 12
5x + 3y = 9 -----(I)
2x - 3y = 12 ----- (II)
Add (I) and (II)
7x = 21
x = 3
Putting the value of x = 3 in (I) we get
5(3)+3y=9
⇒15+3y=9
⇒3y=9−15=−6
⇒y=−2
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