AP EAMCET · Maths · Pair of Lines
If the centroid of the triangle formed by the lines and is , then the value of equals_____
- A
- B
- C
- D
Answer & Solution
Correct Answer
(C)
Step-by-step Solution
Detailed explanation
Given equations 2y2+5xy-3x2=0 and x+y=k---(I) . Given is a homogenous pair of straight lines. 3x2-5xy-2y2=0 ⇒3x2-6xy+xy-2y2=0 ⇒3xx-2y+yx-2y=0 ⇒x-2y3x+y=0 Lines are x-2y=0---(II) & 3x+y=0III Intersection of above two lines is origin. Intersection…
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