TS EAMCET · Maths · Differential Equations
If \(m\) and \(n\) are respectively the order and degree of the differential equation of the family of parabolas with origin as its focus and X-axis as its axis, then \(m n-m+n=\)
- A \(1\)
- B \(2\)
- C \(3\)
- D \(4\)
Answer & Solution
Correct Answer
(C) \(3\)
Step-by-step Solution
Detailed explanation
\(y^2=4 a(x+a) ... (i)\) \(2 y \frac{d y}{d x}=4 a \Rightarrow a=\frac{y}{2} \frac{d y}{d x}\) From (i),…
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