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AP EAMCET · Maths · Pair of Lines

If one of the lines represented by ax2+2hxy+by2=0 passes through (2,3) and the other passes through (4,5), then a+2 h+b equals

  1. A 0
  2. B 1
  3. C 2
  4. D -1
Verified Solution

Answer & Solution

Correct Answer

(B) 1

Step-by-step Solution

Detailed explanation

Given that: ax2+2hxy+by2=0 Passing through (2,3) & (4,5) Given equation passing through (0,0) As we know, Equation of line passing through two given points y-y1=y2-y1x2-x1(x-x1) Equation of the line through (0,0) & (2,3): y=32x ⇒3x-2y=0…