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AP EAMCET · Maths · Differentiation

If \(y=\frac{a x+b}{c x+d}\) and \(\frac{d x}{d y}=\frac{a d-b c}{P y^2+Q y+R}\) then \(P+Q+R=\)

  1. A \((a+c)^2\)
  2. B \((a-c)^2\)
  3. C \(\frac{a d-b c}{a^2-c^2-2 a c}\)
  4. D \(\frac{1}{(a-c)^2}\)
Verified Solution

Answer & Solution

Correct Answer

(B) \((a-c)^2\)

Step-by-step Solution

Detailed explanation

We are given that \(\mathrm{y}=\frac{\mathrm{ax}+\mathrm{b}}{\mathrm{cx}+\mathrm{d}}\)…