AP EAMCET · Maths · Pair of Lines
The area (in sq. units) of the triangle formed by the straight line and the angular bisectors of the pair of straight lines is
- A
- B
- C
- D
Answer & Solution
Correct Answer
(A)
Step-by-step Solution
Detailed explanation
Pair of straight line is x2-y2+2y=1 ⇒x2-y2+2y-1=0 ⇒x2-y-12=0 ⇒x-y+1x+y-1=0 Therefore, we get the separate equations of two straight lines l1:x-y+1=0 ...i l2:x+y-1=0 ...ii Now, point of intersection of line l1 and x+y=3 is A1,2. Now,…
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