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 \(P+Q+R=\)
- A \((a+c)^2\)
- B \((a-c)^2\)
- C \(\frac{a d-b c}{a^2-c^2-2 a c}\)
- D \(\frac{1}{(a-c)^2}\)
Answer & Solution
Correct Answer
(B) \((a-c)^2\)
Step-by-step Solution
Detailed explanation
We are given that \(\mathrm{y}=\frac{\mathrm{ax}+\mathrm{b}}{\mathrm{cx}+\mathrm{d}}\)…
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